Home / 747,280.71-1,031,270.09-425,037.15

Finding the Fourth Proportional to 747,280.71, 1,031,270.09 and 425,037.15

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Solution

The fourth proportional to 747,280.71, 1,031,270.09 and 425,037.15 is: 586,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,280.71 : 1,031,270.09 = 425,037.15 : x
  2. Step 2: Convert to fraction form
    747,280.71/1,031,270.09 = 425,037.15/x
  3. Step 3: Cross multiply
    747,280.71x = 1,031,270.09 × 425,037.15
  4. Step 4: Simplify right side
    747,280.71x = 438,328,097,808.66
  5. Step 5: Solve for x
    x = 438,328,097,808.66/747,280.71
  6. Step 6: Final answer
    x = 586,564.18

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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.