Home / 663,310.80-994,966.20-424,162.35

Finding the Fourth Proportional to 663,310.80, 994,966.20 and 424,162.35

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Solution

The fourth proportional to 663,310.80, 994,966.20 and 424,162.35 is: 636,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,310.80 : 994,966.20 = 424,162.35 : x
  2. Step 2: Convert to fraction form
    663,310.80/994,966.20 = 424,162.35/x
  3. Step 3: Cross multiply
    663,310.80x = 994,966.20 × 424,162.35
  4. Step 4: Simplify right side
    663,310.80x = 422,027,201,562.57
  5. Step 5: Solve for x
    x = 422,027,201,562.57/663,310.80
  6. Step 6: Final answer
    x = 636,243.53

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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.