Home / 887,068.39-1,331,549.48-381,879.49

Finding the Fourth Proportional to 887,068.39, 1,331,549.48 and 381,879.49

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Solution

The fourth proportional to 887,068.39, 1,331,549.48 and 381,879.49 is: 573,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,068.39 : 1,331,549.48 = 381,879.49 : x
  2. Step 2: Convert to fraction form
    887,068.39/1,331,549.48 = 381,879.49/x
  3. Step 3: Cross multiply
    887,068.39x = 1,331,549.48 × 381,879.49
  4. Step 4: Simplify right side
    887,068.39x = 508,491,436,332.17
  5. Step 5: Solve for x
    x = 508,491,436,332.17/887,068.39
  6. Step 6: Final answer
    x = 573,226.87

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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.