Home / 720,248.96-1,080,428.12-214,770.39

Finding the Fourth Proportional to 720,248.96, 1,080,428.12 and 214,770.39

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Solution

The fourth proportional to 720,248.96, 1,080,428.12 and 214,770.39 is: 322,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,248.96 : 1,080,428.12 = 214,770.39 : x
  2. Step 2: Convert to fraction form
    720,248.96/1,080,428.12 = 214,770.39/x
  3. Step 3: Cross multiply
    720,248.96x = 1,080,428.12 × 214,770.39
  4. Step 4: Simplify right side
    720,248.96x = 232,043,964,379.30
  5. Step 5: Solve for x
    x = 232,043,964,379.30/720,248.96
  6. Step 6: Final answer
    x = 322,171.88

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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.