Home / 840,863.46-1,160,375.38-458,892.97

Finding the Fourth Proportional to 840,863.46, 1,160,375.38 and 458,892.97

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Solution

The fourth proportional to 840,863.46, 1,160,375.38 and 458,892.97 is: 633,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,863.46 : 1,160,375.38 = 458,892.97 : x
  2. Step 2: Convert to fraction form
    840,863.46/1,160,375.38 = 458,892.97/x
  3. Step 3: Cross multiply
    840,863.46x = 1,160,375.38 × 458,892.97
  4. Step 4: Simplify right side
    840,863.46x = 532,488,106,885.03
  5. Step 5: Solve for x
    x = 532,488,106,885.03/840,863.46
  6. Step 6: Final answer
    x = 633,263.47

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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.