Home / 684,175.35-944,311.87-397,860.60

Finding the Fourth Proportional to 684,175.35, 944,311.87 and 397,860.60

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Solution

The fourth proportional to 684,175.35, 944,311.87 and 397,860.60 is: 549,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,175.35 : 944,311.87 = 397,860.60 : x
  2. Step 2: Convert to fraction form
    684,175.35/944,311.87 = 397,860.60/x
  3. Step 3: Cross multiply
    684,175.35x = 944,311.87 × 397,860.60
  4. Step 4: Simplify right side
    684,175.35x = 375,704,491,223.82
  5. Step 5: Solve for x
    x = 375,704,491,223.82/684,175.35
  6. Step 6: Final answer
    x = 549,134.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.