Home / 439,822.20-659,733.30-229,870.20

Finding the Fourth Proportional to 439,822.20, 659,733.30 and 229,870.20

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Solution

The fourth proportional to 439,822.20, 659,733.30 and 229,870.20 is: 344,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,822.20 : 659,733.30 = 229,870.20 : x
  2. Step 2: Convert to fraction form
    439,822.20/659,733.30 = 229,870.20/x
  3. Step 3: Cross multiply
    439,822.20x = 659,733.30 × 229,870.20
  4. Step 4: Simplify right side
    439,822.20x = 151,653,025,617.66
  5. Step 5: Solve for x
    x = 151,653,025,617.66/439,822.20
  6. Step 6: Final answer
    x = 344,805.30

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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.