Home / 641,372.29-962,390.40-465,332.29

Finding the Fourth Proportional to 641,372.29, 962,390.40 and 465,332.29

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Solution

The fourth proportional to 641,372.29, 962,390.40 and 465,332.29 is: 698,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,372.29 : 962,390.40 = 465,332.29 : x
  2. Step 2: Convert to fraction form
    641,372.29/962,390.40 = 465,332.29/x
  3. Step 3: Cross multiply
    641,372.29x = 962,390.40 × 465,332.29
  4. Step 4: Simplify right side
    641,372.29x = 447,831,328,706.02
  5. Step 5: Solve for x
    x = 447,831,328,706.02/641,372.29
  6. Step 6: Final answer
    x = 698,239.28

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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.