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Finding the Fourth Proportional to 542,285.77, 748,373.58 and 327,383.86

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Solution

The fourth proportional to 542,285.77, 748,373.58 and 327,383.86 is: 451,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,285.77 : 748,373.58 = 327,383.86 : x
  2. Step 2: Convert to fraction form
    542,285.77/748,373.58 = 327,383.86/x
  3. Step 3: Cross multiply
    542,285.77x = 748,373.58 × 327,383.86
  4. Step 4: Simplify right side
    542,285.77x = 245,005,431,342.42
  5. Step 5: Solve for x
    x = 245,005,431,342.42/542,285.77
  6. Step 6: Final answer
    x = 451,801.33

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1.5x scale

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.