Home / 755,308.86-1,042,349.70-411,167.70

Finding the Fourth Proportional to 755,308.86, 1,042,349.70 and 411,167.70

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Solution

The fourth proportional to 755,308.86, 1,042,349.70 and 411,167.70 is: 567,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,308.86 : 1,042,349.70 = 411,167.70 : x
  2. Step 2: Convert to fraction form
    755,308.86/1,042,349.70 = 411,167.70/x
  3. Step 3: Cross multiply
    755,308.86x = 1,042,349.70 × 411,167.70
  4. Step 4: Simplify right side
    755,308.86x = 428,580,530,286.57
  5. Step 5: Solve for x
    x = 428,580,530,286.57/755,308.86
  6. Step 6: Final answer
    x = 567,424.21

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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.