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Finding the Fourth Proportional to 498,371.33, 747,887.18 and 273,888.54

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Solution

The fourth proportional to 498,371.33, 747,887.18 and 273,888.54 is: 411,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,371.33 : 747,887.18 = 273,888.54 : x
  2. Step 2: Convert to fraction form
    498,371.33/747,887.18 = 273,888.54/x
  3. Step 3: Cross multiply
    498,371.33x = 747,887.18 × 273,888.54
  4. Step 4: Simplify right side
    498,371.33x = 204,837,726,445.48
  5. Step 5: Solve for x
    x = 204,837,726,445.48/498,371.33
  6. Step 6: Final answer
    x = 411,014.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.