Home / 1,040,096.70-1,560,145.05-330,180.30

Finding the Fourth Proportional to 1,040,096.70, 1,560,145.05 and 330,180.30

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Solution

The fourth proportional to 1,040,096.70, 1,560,145.05 and 330,180.30 is: 495,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,096.70 : 1,560,145.05 = 330,180.30 : x
  2. Step 2: Convert to fraction form
    1,040,096.70/1,560,145.05 = 330,180.30/x
  3. Step 3: Cross multiply
    1,040,096.70x = 1,560,145.05 × 330,180.30
  4. Step 4: Simplify right side
    1,040,096.70x = 515,129,160,652.52
  5. Step 5: Solve for x
    x = 515,129,160,652.52/1,040,096.70
  6. Step 6: Final answer
    x = 495,270.45

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Half scale
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Double scale
Find fourth proportional to 1,040,097.70, 1,560,146.55 and 330,181.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.