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Finding the Fourth Proportional to 635,737.90, 876,810.93 and 418,170.04

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Solution

The fourth proportional to 635,737.90, 876,810.93 and 418,170.04 is: 576,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,737.90 : 876,810.93 = 418,170.04 : x
  2. Step 2: Convert to fraction form
    635,737.90/876,810.93 = 418,170.04/x
  3. Step 3: Cross multiply
    635,737.90x = 876,810.93 × 418,170.04
  4. Step 4: Simplify right side
    635,737.90x = 366,656,061,670.54
  5. Step 5: Solve for x
    x = 366,656,061,670.54/635,737.90
  6. Step 6: Final answer
    x = 576,740.92

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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.