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Finding the Fourth Proportional to 479,550.60, 719,909.10 and 360,286.20

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Solution

The fourth proportional to 479,550.60, 719,909.10 and 360,286.20 is: 540,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,550.60 : 719,909.10 = 360,286.20 : x
  2. Step 2: Convert to fraction form
    479,550.60/719,909.10 = 360,286.20/x
  3. Step 3: Cross multiply
    479,550.60x = 719,909.10 × 360,286.20
  4. Step 4: Simplify right side
    479,550.60x = 259,373,313,984.42
  5. Step 5: Solve for x
    x = 259,373,313,984.42/479,550.60
  6. Step 6: Final answer
    x = 540,867.46

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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.