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Finding the Fourth Proportional to 454,751.34, 627,398.39 and 291,497.87

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Solution

The fourth proportional to 454,751.34, 627,398.39 and 291,497.87 is: 402,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,751.34 : 627,398.39 = 291,497.87 : x
  2. Step 2: Convert to fraction form
    454,751.34/627,398.39 = 291,497.87/x
  3. Step 3: Cross multiply
    454,751.34x = 627,398.39 × 291,497.87
  4. Step 4: Simplify right side
    454,751.34x = 182,885,292,084.69
  5. Step 5: Solve for x
    x = 182,885,292,084.69/454,751.34
  6. Step 6: Final answer
    x = 402,165.48

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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.