Home / 559,849.20-839,773.80-204,899.10

Finding the Fourth Proportional to 559,849.20, 839,773.80 and 204,899.10

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Solution

The fourth proportional to 559,849.20, 839,773.80 and 204,899.10 is: 307,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,849.20 : 839,773.80 = 204,899.10 : x
  2. Step 2: Convert to fraction form
    559,849.20/839,773.80 = 204,899.10/x
  3. Step 3: Cross multiply
    559,849.20x = 839,773.80 × 204,899.10
  4. Step 4: Simplify right side
    559,849.20x = 172,068,895,823.58
  5. Step 5: Solve for x
    x = 172,068,895,823.58/559,849.20
  6. Step 6: Final answer
    x = 307,348.65

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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.