Home / 641,372.79-962,391.15-465,332.79

Finding the Fourth Proportional to 641,372.79, 962,391.15 and 465,332.79

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Solution

The fourth proportional to 641,372.79, 962,391.15 and 465,332.79 is: 698,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,372.79 : 962,391.15 = 465,332.79 : x
  2. Step 2: Convert to fraction form
    641,372.79/962,391.15 = 465,332.79/x
  3. Step 3: Cross multiply
    641,372.79x = 962,391.15 × 465,332.79
  4. Step 4: Simplify right side
    641,372.79x = 447,832,158,900.81
  5. Step 5: Solve for x
    x = 447,832,158,900.81/641,372.79
  6. Step 6: Final answer
    x = 698,240.03

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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.