Home / 588,979.20-883,468.80-423,091.20

Finding the Fourth Proportional to 588,979.20, 883,468.80 and 423,091.20

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Solution

The fourth proportional to 588,979.20, 883,468.80 and 423,091.20 is: 634,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,979.20 : 883,468.80 = 423,091.20 : x
  2. Step 2: Convert to fraction form
    588,979.20/883,468.80 = 423,091.20/x
  3. Step 3: Cross multiply
    588,979.20x = 883,468.80 × 423,091.20
  4. Step 4: Simplify right side
    588,979.20x = 373,787,874,754.56
  5. Step 5: Solve for x
    x = 373,787,874,754.56/588,979.20
  6. Step 6: Final answer
    x = 634,636.80

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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.