Home / 755,302.72-1,042,331.04-411,148.54

Finding the Fourth Proportional to 755,302.72, 1,042,331.04 and 411,148.54

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Solution

The fourth proportional to 755,302.72, 1,042,331.04 and 411,148.54 is: 567,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,302.72 : 1,042,331.04 = 411,148.54 : x
  2. Step 2: Convert to fraction form
    755,302.72/1,042,331.04 = 411,148.54/x
  3. Step 3: Cross multiply
    755,302.72x = 1,042,331.04 × 411,148.54
  4. Step 4: Simplify right side
    755,302.72x = 428,552,885,292.68
  5. Step 5: Solve for x
    x = 428,552,885,292.68/755,302.72
  6. Step 6: Final answer
    x = 567,392.22

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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.