Home / 979,727.40-1,351,949.17-549,924.49

Finding the Fourth Proportional to 979,727.40, 1,351,949.17 and 549,924.49

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Solution

The fourth proportional to 979,727.40, 1,351,949.17 and 549,924.49 is: 758,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,727.40 : 1,351,949.17 = 549,924.49 : x
  2. Step 2: Convert to fraction form
    979,727.40/1,351,949.17 = 549,924.49/x
  3. Step 3: Cross multiply
    979,727.40x = 1,351,949.17 × 549,924.49
  4. Step 4: Simplify right side
    979,727.40x = 743,469,957,818.17
  5. Step 5: Solve for x
    x = 743,469,957,818.17/979,727.40
  6. Step 6: Final answer
    x = 758,853.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.