Home / 557,816.64-836,724.96-225,625.92

Finding the Fourth Proportional to 557,816.64, 836,724.96 and 225,625.92

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Solution

The fourth proportional to 557,816.64, 836,724.96 and 225,625.92 is: 338,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,816.64 : 836,724.96 = 225,625.92 : x
  2. Step 2: Convert to fraction form
    557,816.64/836,724.96 = 225,625.92/x
  3. Step 3: Cross multiply
    557,816.64x = 836,724.96 × 225,625.92
  4. Step 4: Simplify right side
    557,816.64x = 188,786,838,886.96
  5. Step 5: Solve for x
    x = 188,786,838,886.96/557,816.64
  6. Step 6: Final answer
    x = 338,438.88

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Similar ratio
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1.5x scale

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.