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Finding the Fourth Proportional to 888,841.62, 1,333,428.12 and 356,404.32

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Solution

The fourth proportional to 888,841.62, 1,333,428.12 and 356,404.32 is: 534,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,841.62 : 1,333,428.12 = 356,404.32 : x
  2. Step 2: Convert to fraction form
    888,841.62/1,333,428.12 = 356,404.32/x
  3. Step 3: Cross multiply
    888,841.62x = 1,333,428.12 × 356,404.32
  4. Step 4: Simplify right side
    888,841.62x = 475,239,542,377.48
  5. Step 5: Solve for x
    x = 475,239,542,377.48/888,841.62
  6. Step 6: Final answer
    x = 534,672.92

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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.