Home / 979,724.40-1,351,945.03-549,921.49

Finding the Fourth Proportional to 979,724.40, 1,351,945.03 and 549,921.49

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Solution

The fourth proportional to 979,724.40, 1,351,945.03 and 549,921.49 is: 758,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,724.40 : 1,351,945.03 = 549,921.49 : x
  2. Step 2: Convert to fraction form
    979,724.40/1,351,945.03 = 549,921.49/x
  3. Step 3: Cross multiply
    979,724.40x = 1,351,945.03 × 549,921.49
  4. Step 4: Simplify right side
    979,724.40x = 743,463,625,295.70
  5. Step 5: Solve for x
    x = 743,463,625,295.70/979,724.40
  6. Step 6: Final answer
    x = 758,849.76

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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.