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Finding the Fourth Proportional to 551,434.98, 761,175.82 and 333,654.90

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Solution

The fourth proportional to 551,434.98, 761,175.82 and 333,654.90 is: 460,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,434.98 : 761,175.82 = 333,654.90 : x
  2. Step 2: Convert to fraction form
    551,434.98/761,175.82 = 333,654.90/x
  3. Step 3: Cross multiply
    551,434.98x = 761,175.82 × 333,654.90
  4. Step 4: Simplify right side
    551,434.98x = 253,970,042,104.52
  5. Step 5: Solve for x
    x = 253,970,042,104.52/551,434.98
  6. Step 6: Final answer
    x = 460,562.08

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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.