Home / 641,371.29-962,388.90-465,331.29

Finding the Fourth Proportional to 641,371.29, 962,388.90 and 465,331.29

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Solution

The fourth proportional to 641,371.29, 962,388.90 and 465,331.29 is: 698,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,371.29 : 962,388.90 = 465,331.29 : x
  2. Step 2: Convert to fraction form
    641,371.29/962,388.90 = 465,331.29/x
  3. Step 3: Cross multiply
    641,371.29x = 962,388.90 × 465,331.29
  4. Step 4: Simplify right side
    641,371.29x = 447,829,668,318.68
  5. Step 5: Solve for x
    x = 447,829,668,318.68/641,371.29
  6. Step 6: Final answer
    x = 698,237.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.