Home / 887,863.92-1,331,808.17-288,828.22

Finding the Fourth Proportional to 887,863.92, 1,331,808.17 and 288,828.22

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Solution

The fourth proportional to 887,863.92, 1,331,808.17 and 288,828.22 is: 433,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,863.92 : 1,331,808.17 = 288,828.22 : x
  2. Step 2: Convert to fraction form
    887,863.92/1,331,808.17 = 288,828.22/x
  3. Step 3: Cross multiply
    887,863.92x = 1,331,808.17 × 288,828.22
  4. Step 4: Simplify right side
    887,863.92x = 384,663,778,348.90
  5. Step 5: Solve for x
    x = 384,663,778,348.90/887,863.92
  6. Step 6: Final answer
    x = 433,246.32

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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.