Home / 1,040,644.83-1,560,635.04-330,506.76

Finding the Fourth Proportional to 1,040,644.83, 1,560,635.04 and 330,506.76

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Solution

The fourth proportional to 1,040,644.83, 1,560,635.04 and 330,506.76 is: 495,654.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,644.83 : 1,560,635.04 = 330,506.76 : x
  2. Step 2: Convert to fraction form
    1,040,644.83/1,560,635.04 = 330,506.76/x
  3. Step 3: Cross multiply
    1,040,644.83x = 1,560,635.04 × 330,506.76
  4. Step 4: Simplify right side
    1,040,644.83x = 515,800,430,612.87
  5. Step 5: Solve for x
    x = 515,800,430,612.87/1,040,644.83
  6. Step 6: Final answer
    x = 495,654.63

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Double scale
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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.