Home / 479,631.12-719,446.71-142,676.59

Finding the Fourth Proportional to 479,631.12, 719,446.71 and 142,676.59

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Solution

The fourth proportional to 479,631.12, 719,446.71 and 142,676.59 is: 214,014.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,631.12 : 719,446.71 = 142,676.59 : x
  2. Step 2: Convert to fraction form
    479,631.12/719,446.71 = 142,676.59/x
  3. Step 3: Cross multiply
    479,631.12x = 719,446.71 × 142,676.59
  4. Step 4: Simplify right side
    479,631.12x = 102,648,202,552.35
  5. Step 5: Solve for x
    x = 102,648,202,552.35/479,631.12
  6. Step 6: Final answer
    x = 214,014.89

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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.