Home / 1,057,545.56-1,586,318.30-309,591.56

Finding the Fourth Proportional to 1,057,545.56, 1,586,318.30 and 309,591.56

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Solution

The fourth proportional to 1,057,545.56, 1,586,318.30 and 309,591.56 is: 464,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,545.56 : 1,586,318.30 = 309,591.56 : x
  2. Step 2: Convert to fraction form
    1,057,545.56/1,586,318.30 = 309,591.56/x
  3. Step 3: Cross multiply
    1,057,545.56x = 1,586,318.30 × 309,591.56
  4. Step 4: Simplify right side
    1,057,545.56x = 491,110,757,153.55
  5. Step 5: Solve for x
    x = 491,110,757,153.55/1,057,545.56
  6. Step 6: Final answer
    x = 464,387.33

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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.