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Finding the Fourth Proportional to 559,204.80, 838,807.20 and 279,268.80

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Solution

The fourth proportional to 559,204.80, 838,807.20 and 279,268.80 is: 418,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,204.80 : 838,807.20 = 279,268.80 : x
  2. Step 2: Convert to fraction form
    559,204.80/838,807.20 = 279,268.80/x
  3. Step 3: Cross multiply
    559,204.80x = 838,807.20 × 279,268.80
  4. Step 4: Simplify right side
    559,204.80x = 234,252,680,175.36
  5. Step 5: Solve for x
    x = 234,252,680,175.36/559,204.80
  6. Step 6: Final answer
    x = 418,903.20

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Similar ratio
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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.