Home / 583,965.20-876,239.40-331,439.60

Finding the Fourth Proportional to 583,965.20, 876,239.40 and 331,439.60

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Solution

The fourth proportional to 583,965.20, 876,239.40 and 331,439.60 is: 497,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,965.20 : 876,239.40 = 331,439.60 : x
  2. Step 2: Convert to fraction form
    583,965.20/876,239.40 = 331,439.60/x
  3. Step 3: Cross multiply
    583,965.20x = 876,239.40 × 331,439.60
  4. Step 4: Simplify right side
    583,965.20x = 290,420,436,240.24
  5. Step 5: Solve for x
    x = 290,420,436,240.24/583,965.20
  6. Step 6: Final answer
    x = 497,324.90

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Double scale
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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.