Home / 479,592.52-719,388.30-142,631.80

Finding the Fourth Proportional to 479,592.52, 719,388.30 and 142,631.80

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Solution

The fourth proportional to 479,592.52, 719,388.30 and 142,631.80 is: 213,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,592.52 : 719,388.30 = 142,631.80 : x
  2. Step 2: Convert to fraction form
    479,592.52/719,388.30 = 142,631.80/x
  3. Step 3: Cross multiply
    479,592.52x = 719,388.30 × 142,631.80
  4. Step 4: Simplify right side
    479,592.52x = 102,607,648,127.94
  5. Step 5: Solve for x
    x = 102,607,648,127.94/479,592.52
  6. Step 6: Final answer
    x = 213,947.56

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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.