Home / 663,246.90-994,287.15-397,113.30

Finding the Fourth Proportional to 663,246.90, 994,287.15 and 397,113.30

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Solution

The fourth proportional to 663,246.90, 994,287.15 and 397,113.30 is: 595,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,246.90 : 994,287.15 = 397,113.30 : x
  2. Step 2: Convert to fraction form
    663,246.90/994,287.15 = 397,113.30/x
  3. Step 3: Cross multiply
    663,246.90x = 994,287.15 × 397,113.30
  4. Step 4: Simplify right side
    663,246.90x = 394,844,651,284.10
  5. Step 5: Solve for x
    x = 394,844,651,284.10/663,246.90
  6. Step 6: Final answer
    x = 595,320.76

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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.