Home / 747,666.76-1,031,760.30-687,480.52

Finding the Fourth Proportional to 747,666.76, 1,031,760.30 and 687,480.52

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Solution

The fourth proportional to 747,666.76, 1,031,760.30 and 687,480.52 is: 948,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,666.76 : 1,031,760.30 = 687,480.52 : x
  2. Step 2: Convert to fraction form
    747,666.76/1,031,760.30 = 687,480.52/x
  3. Step 3: Cross multiply
    747,666.76x = 1,031,760.30 × 687,480.52
  4. Step 4: Simplify right side
    747,666.76x = 709,315,107,559.36
  5. Step 5: Solve for x
    x = 709,315,107,559.36/747,666.76
  6. Step 6: Final answer
    x = 948,704.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.