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Finding the Fourth Proportional to 635,125.05, 876,473.51 and 344,736.86

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Solution

The fourth proportional to 635,125.05, 876,473.51 and 344,736.86 is: 475,737.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,125.05 : 876,473.51 = 344,736.86 : x
  2. Step 2: Convert to fraction form
    635,125.05/876,473.51 = 344,736.86/x
  3. Step 3: Cross multiply
    635,125.05x = 876,473.51 × 344,736.86
  4. Step 4: Simplify right side
    635,125.05x = 302,152,719,604.53
  5. Step 5: Solve for x
    x = 302,152,719,604.53/635,125.05
  6. Step 6: Final answer
    x = 475,737.37

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1.5x scale

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.