Home / 887,050.70-1,330,576.05-550,471.40

Finding the Fourth Proportional to 887,050.70, 1,330,576.05 and 550,471.40

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Solution

The fourth proportional to 887,050.70, 1,330,576.05 and 550,471.40 is: 825,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,050.70 : 1,330,576.05 = 550,471.40 : x
  2. Step 2: Convert to fraction form
    887,050.70/1,330,576.05 = 550,471.40/x
  3. Step 3: Cross multiply
    887,050.70x = 1,330,576.05 × 550,471.40
  4. Step 4: Simplify right side
    887,050.70x = 732,444,061,049.97
  5. Step 5: Solve for x
    x = 732,444,061,049.97/887,050.70
  6. Step 6: Final answer
    x = 825,707.10

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Double scale
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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.