Home / 674,744.30-1,012,116.45-659,192.30

Finding the Fourth Proportional to 674,744.30, 1,012,116.45 and 659,192.30

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Solution

The fourth proportional to 674,744.30, 1,012,116.45 and 659,192.30 is: 988,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,744.30 : 1,012,116.45 = 659,192.30 : x
  2. Step 2: Convert to fraction form
    674,744.30/1,012,116.45 = 659,192.30/x
  3. Step 3: Cross multiply
    674,744.30x = 1,012,116.45 × 659,192.30
  4. Step 4: Simplify right side
    674,744.30x = 667,179,370,543.34
  5. Step 5: Solve for x
    x = 667,179,370,543.34/674,744.30
  6. Step 6: Final answer
    x = 988,788.45

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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.