Home / 755,302.22-1,042,330.35-411,148.04

Finding the Fourth Proportional to 755,302.22, 1,042,330.35 and 411,148.04

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Solution

The fourth proportional to 755,302.22, 1,042,330.35 and 411,148.04 is: 567,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,302.22 : 1,042,330.35 = 411,148.04 : x
  2. Step 2: Convert to fraction form
    755,302.22/1,042,330.35 = 411,148.04/x
  3. Step 3: Cross multiply
    755,302.22x = 1,042,330.35 × 411,148.04
  4. Step 4: Simplify right side
    755,302.22x = 428,552,073,167.62
  5. Step 5: Solve for x
    x = 428,552,073,167.62/755,302.22
  6. Step 6: Final answer
    x = 567,391.52

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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.