Home / 747,265.29-1,031,248.89-425,021.82

Finding the Fourth Proportional to 747,265.29, 1,031,248.89 and 425,021.82

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Solution

The fourth proportional to 747,265.29, 1,031,248.89 and 425,021.82 is: 586,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,265.29 : 1,031,248.89 = 425,021.82 : x
  2. Step 2: Convert to fraction form
    747,265.29/1,031,248.89 = 425,021.82/x
  3. Step 3: Cross multiply
    747,265.29x = 1,031,248.89 × 425,021.82
  4. Step 4: Simplify right side
    747,265.29x = 438,303,280,100.78
  5. Step 5: Solve for x
    x = 438,303,280,100.78/747,265.29
  6. Step 6: Final answer
    x = 586,543.07

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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.