Home / 479,444.88-719,310.42-142,496.76

Finding the Fourth Proportional to 479,444.88, 719,310.42 and 142,496.76

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Solution

The fourth proportional to 479,444.88, 719,310.42 and 142,496.76 is: 213,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,444.88 : 719,310.42 = 142,496.76 : x
  2. Step 2: Convert to fraction form
    479,444.88/719,310.42 = 142,496.76/x
  3. Step 3: Cross multiply
    479,444.88x = 719,310.42 × 142,496.76
  4. Step 4: Simplify right side
    479,444.88x = 102,499,404,284.24
  5. Step 5: Solve for x
    x = 102,499,404,284.24/479,444.88
  6. Step 6: Final answer
    x = 213,787.67

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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.