Home / 821,988.59-1,232,865.33-282,234.77

Finding the Fourth Proportional to 821,988.59, 1,232,865.33 and 282,234.77

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Solution

The fourth proportional to 821,988.59, 1,232,865.33 and 282,234.77 is: 423,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,988.59 : 1,232,865.33 = 282,234.77 : x
  2. Step 2: Convert to fraction form
    821,988.59/1,232,865.33 = 282,234.77/x
  3. Step 3: Cross multiply
    821,988.59x = 1,232,865.33 × 282,234.77
  4. Step 4: Simplify right side
    821,988.59x = 347,957,456,689.20
  5. Step 5: Solve for x
    x = 347,957,456,689.20/821,988.59
  6. Step 6: Final answer
    x = 423,311.79

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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.