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Finding the Fourth Proportional to 609,934, 841,741.26 and 338,031.56

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Solution

The fourth proportional to 609,934, 841,741.26 and 338,031.56 is: 466,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,934 : 841,741.26 = 338,031.56 : x
  2. Step 2: Convert to fraction form
    609,934/841,741.26 = 338,031.56/x
  3. Step 3: Cross multiply
    609,934x = 841,741.26 × 338,031.56
  4. Step 4: Simplify right side
    609,934x = 284,535,111,234.17
  5. Step 5: Solve for x
    x = 284,535,111,234.17/609,934
  6. Step 6: Final answer
    x = 466,501.48

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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.