Home / 547,742.60-821,613.90-252,830.60

Finding the Fourth Proportional to 547,742.60, 821,613.90 and 252,830.60

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Solution

The fourth proportional to 547,742.60, 821,613.90 and 252,830.60 is: 379,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,742.60 : 821,613.90 = 252,830.60 : x
  2. Step 2: Convert to fraction form
    547,742.60/821,613.90 = 252,830.60/x
  3. Step 3: Cross multiply
    547,742.60x = 821,613.90 × 252,830.60
  4. Step 4: Simplify right side
    547,742.60x = 207,729,135,305.34
  5. Step 5: Solve for x
    x = 207,729,135,305.34/547,742.60
  6. Step 6: Final answer
    x = 379,245.90

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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.