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Finding the Fourth Proportional to 542,288.73, 812,288.75 and 435,092.31

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Solution

The fourth proportional to 542,288.73, 812,288.75 and 435,092.31 is: 651,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,288.73 : 812,288.75 = 435,092.31 : x
  2. Step 2: Convert to fraction form
    542,288.73/812,288.75 = 435,092.31/x
  3. Step 3: Cross multiply
    542,288.73x = 812,288.75 × 435,092.31
  4. Step 4: Simplify right side
    542,288.73x = 353,420,586,449.05
  5. Step 5: Solve for x
    x = 353,420,586,449.05/542,288.73
  6. Step 6: Final answer
    x = 651,720.33

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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.