Home / 641,377.30-962,397.90-465,337.30

Finding the Fourth Proportional to 641,377.30, 962,397.90 and 465,337.30

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Solution

The fourth proportional to 641,377.30, 962,397.90 and 465,337.30 is: 698,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,377.30 : 962,397.90 = 465,337.30 : x
  2. Step 2: Convert to fraction form
    641,377.30/962,397.90 = 465,337.30/x
  3. Step 3: Cross multiply
    641,377.30x = 962,397.90 × 465,337.30
  4. Step 4: Simplify right side
    641,377.30x = 447,839,640,311.67
  5. Step 5: Solve for x
    x = 447,839,640,311.67/641,377.30
  6. Step 6: Final answer
    x = 698,246.79

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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.