Home / 479,308.64-719,334.74-180,061.43

Finding the Fourth Proportional to 479,308.64, 719,334.74 and 180,061.43

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Solution

The fourth proportional to 479,308.64, 719,334.74 and 180,061.43 is: 270,231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,308.64 : 719,334.74 = 180,061.43 : x
  2. Step 2: Convert to fraction form
    479,308.64/719,334.74 = 180,061.43/x
  3. Step 3: Cross multiply
    479,308.64x = 719,334.74 × 180,061.43
  4. Step 4: Simplify right side
    479,308.64x = 129,524,438,786.56
  5. Step 5: Solve for x
    x = 129,524,438,786.56/479,308.64
  6. Step 6: Final answer
    x = 270,231.81

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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.