Home / 812,084.56-1,120,651.44-467,921.14

Finding the Fourth Proportional to 812,084.56, 1,120,651.44 and 467,921.14

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Solution

The fourth proportional to 812,084.56, 1,120,651.44 and 467,921.14 is: 645,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,084.56 : 1,120,651.44 = 467,921.14 : x
  2. Step 2: Convert to fraction form
    812,084.56/1,120,651.44 = 467,921.14/x
  3. Step 3: Cross multiply
    812,084.56x = 1,120,651.44 × 467,921.14
  4. Step 4: Simplify right side
    812,084.56x = 524,376,499,347.44
  5. Step 5: Solve for x
    x = 524,376,499,347.44/812,084.56
  6. Step 6: Final answer
    x = 645,716.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.