Home / 988,227.20-1,482,340.80-323,446.40

Finding the Fourth Proportional to 988,227.20, 1,482,340.80 and 323,446.40

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Solution

The fourth proportional to 988,227.20, 1,482,340.80 and 323,446.40 is: 485,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,227.20 : 1,482,340.80 = 323,446.40 : x
  2. Step 2: Convert to fraction form
    988,227.20/1,482,340.80 = 323,446.40/x
  3. Step 3: Cross multiply
    988,227.20x = 1,482,340.80 × 323,446.40
  4. Step 4: Simplify right side
    988,227.20x = 479,457,795,333.12
  5. Step 5: Solve for x
    x = 479,457,795,333.12/988,227.20
  6. Step 6: Final answer
    x = 485,169.60

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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.