Home / 578,076.80-867,115.20-329,244.80

Finding the Fourth Proportional to 578,076.80, 867,115.20 and 329,244.80

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Solution

The fourth proportional to 578,076.80, 867,115.20 and 329,244.80 is: 493,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,076.80 : 867,115.20 = 329,244.80 : x
  2. Step 2: Convert to fraction form
    578,076.80/867,115.20 = 329,244.80/x
  3. Step 3: Cross multiply
    578,076.80x = 867,115.20 × 329,244.80
  4. Step 4: Simplify right side
    578,076.80x = 285,493,170,600.96
  5. Step 5: Solve for x
    x = 285,493,170,600.96/578,076.80
  6. Step 6: Final answer
    x = 493,867.20

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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.