Home / 769,680.30-1,154,031.44-675,100.43

Finding the Fourth Proportional to 769,680.30, 1,154,031.44 and 675,100.43

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Solution

The fourth proportional to 769,680.30, 1,154,031.44 and 675,100.43 is: 1,012,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,680.30 : 1,154,031.44 = 675,100.43 : x
  2. Step 2: Convert to fraction form
    769,680.30/1,154,031.44 = 675,100.43/x
  3. Step 3: Cross multiply
    769,680.30x = 1,154,031.44 × 675,100.43
  4. Step 4: Simplify right side
    769,680.30x = 779,087,112,231.86
  5. Step 5: Solve for x
    x = 779,087,112,231.86/769,680.30
  6. Step 6: Final answer
    x = 1,012,221.71

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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.