Home / 481,204.10-721,806.15-256,477.70

Finding the Fourth Proportional to 481,204.10, 721,806.15 and 256,477.70

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Solution

The fourth proportional to 481,204.10, 721,806.15 and 256,477.70 is: 384,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,204.10 : 721,806.15 = 256,477.70 : x
  2. Step 2: Convert to fraction form
    481,204.10/721,806.15 = 256,477.70/x
  3. Step 3: Cross multiply
    481,204.10x = 721,806.15 × 256,477.70
  4. Step 4: Simplify right side
    481,204.10x = 185,127,181,197.86
  5. Step 5: Solve for x
    x = 185,127,181,197.86/481,204.10
  6. Step 6: Final answer
    x = 384,716.55

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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.