Home / 479,976.60-718,928.10-397,032.60

Finding the Fourth Proportional to 479,976.60, 718,928.10 and 397,032.60

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Solution

The fourth proportional to 479,976.60, 718,928.10 and 397,032.60 is: 594,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,976.60 : 718,928.10 = 397,032.60 : x
  2. Step 2: Convert to fraction form
    479,976.60/718,928.10 = 397,032.60/x
  3. Step 3: Cross multiply
    479,976.60x = 718,928.10 × 397,032.60
  4. Step 4: Simplify right side
    479,976.60x = 285,437,892,756.06
  5. Step 5: Solve for x
    x = 285,437,892,756.06/479,976.60
  6. Step 6: Final answer
    x = 594,691.27

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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.