Home / 663,039.34-994,551.69-396,874.15

Finding the Fourth Proportional to 663,039.34, 994,551.69 and 396,874.15

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Solution

The fourth proportional to 663,039.34, 994,551.69 and 396,874.15 is: 595,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,039.34 : 994,551.69 = 396,874.15 : x
  2. Step 2: Convert to fraction form
    663,039.34/994,551.69 = 396,874.15/x
  3. Step 3: Cross multiply
    663,039.34x = 994,551.69 × 396,874.15
  4. Step 4: Simplify right side
    663,039.34x = 394,711,856,599.81
  5. Step 5: Solve for x
    x = 394,711,856,599.81/663,039.34
  6. Step 6: Final answer
    x = 595,306.84

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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.