Home / 744,374.70-1,116,999.45-271,107.90

Finding the Fourth Proportional to 744,374.70, 1,116,999.45 and 271,107.90

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Solution

The fourth proportional to 744,374.70, 1,116,999.45 and 271,107.90 is: 406,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,374.70 : 1,116,999.45 = 271,107.90 : x
  2. Step 2: Convert to fraction form
    744,374.70/1,116,999.45 = 271,107.90/x
  3. Step 3: Cross multiply
    744,374.70x = 1,116,999.45 × 271,107.90
  4. Step 4: Simplify right side
    744,374.70x = 302,827,375,190.66
  5. Step 5: Solve for x
    x = 302,827,375,190.66/744,374.70
  6. Step 6: Final answer
    x = 406,821.15

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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.