Home / 479,675.46-719,387.85-142,625.36

Finding the Fourth Proportional to 479,675.46, 719,387.85 and 142,625.36

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Solution

The fourth proportional to 479,675.46, 719,387.85 and 142,625.36 is: 213,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,675.46 : 719,387.85 = 142,625.36 : x
  2. Step 2: Convert to fraction form
    479,675.46/719,387.85 = 142,625.36/x
  3. Step 3: Cross multiply
    479,675.46x = 719,387.85 × 142,625.36
  4. Step 4: Simplify right side
    479,675.46x = 102,602,951,085.88
  5. Step 5: Solve for x
    x = 102,602,951,085.88/479,675.46
  6. Step 6: Final answer
    x = 213,900.77

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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.