Home / 747,633.61-1,031,721.18-425,336.81

Finding the Fourth Proportional to 747,633.61, 1,031,721.18 and 425,336.81

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Solution

The fourth proportional to 747,633.61, 1,031,721.18 and 425,336.81 is: 586,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,633.61 : 1,031,721.18 = 425,336.81 : x
  2. Step 2: Convert to fraction form
    747,633.61/1,031,721.18 = 425,336.81/x
  3. Step 3: Cross multiply
    747,633.61x = 1,031,721.18 × 425,336.81
  4. Step 4: Simplify right side
    747,633.61x = 438,828,995,510.64
  5. Step 5: Solve for x
    x = 438,828,995,510.64/747,633.61
  6. Step 6: Final answer
    x = 586,957.29

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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.