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Finding the Fourth Proportional to 479,462.98, 719,007.36 and 179,780.08

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Solution

The fourth proportional to 479,462.98, 719,007.36 and 179,780.08 is: 269,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,462.98 : 719,007.36 = 179,780.08 : x
  2. Step 2: Convert to fraction form
    479,462.98/719,007.36 = 179,780.08/x
  3. Step 3: Cross multiply
    479,462.98x = 719,007.36 × 179,780.08
  4. Step 4: Simplify right side
    479,462.98x = 129,263,200,701.39
  5. Step 5: Solve for x
    x = 129,263,200,701.39/479,462.98
  6. Step 6: Final answer
    x = 269,599.96

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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.