Home / 558,425.78-837,154.83-225,785.78

Finding the Fourth Proportional to 558,425.78, 837,154.83 and 225,785.78

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Solution

The fourth proportional to 558,425.78, 837,154.83 and 225,785.78 is: 338,483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,425.78 : 837,154.83 = 225,785.78 : x
  2. Step 2: Convert to fraction form
    558,425.78/837,154.83 = 225,785.78/x
  3. Step 3: Cross multiply
    558,425.78x = 837,154.83 × 225,785.78
  4. Step 4: Simplify right side
    558,425.78x = 189,017,656,272.32
  5. Step 5: Solve for x
    x = 189,017,656,272.32/558,425.78
  6. Step 6: Final answer
    x = 338,483.04

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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.