Home / 851,512.23-1,175,061.74-469,538.91

Finding the Fourth Proportional to 851,512.23, 1,175,061.74 and 469,538.91

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Solution

The fourth proportional to 851,512.23, 1,175,061.74 and 469,538.91 is: 647,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,512.23 : 1,175,061.74 = 469,538.91 : x
  2. Step 2: Convert to fraction form
    851,512.23/1,175,061.74 = 469,538.91/x
  3. Step 3: Cross multiply
    851,512.23x = 1,175,061.74 × 469,538.91
  4. Step 4: Simplify right side
    851,512.23x = 551,737,206,234.61
  5. Step 5: Solve for x
    x = 551,737,206,234.61/851,512.23
  6. Step 6: Final answer
    x = 647,949.83

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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.