Home / 747,154.83-1,031,031.66-424,943.31

Finding the Fourth Proportional to 747,154.83, 1,031,031.66 and 424,943.31

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Solution

The fourth proportional to 747,154.83, 1,031,031.66 and 424,943.31 is: 586,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,154.83 : 1,031,031.66 = 424,943.31 : x
  2. Step 2: Convert to fraction form
    747,154.83/1,031,031.66 = 424,943.31/x
  3. Step 3: Cross multiply
    747,154.83x = 1,031,031.66 × 424,943.31
  4. Step 4: Simplify right side
    747,154.83x = 438,130,006,315.20
  5. Step 5: Solve for x
    x = 438,130,006,315.20/747,154.83
  6. Step 6: Final answer
    x = 586,397.88

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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.