Home / 980,873.15-1,471,124.43-306,853.11

Finding the Fourth Proportional to 980,873.15, 1,471,124.43 and 306,853.11

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Solution

The fourth proportional to 980,873.15, 1,471,124.43 and 306,853.11 is: 460,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,873.15 : 1,471,124.43 = 306,853.11 : x
  2. Step 2: Convert to fraction form
    980,873.15/1,471,124.43 = 306,853.11/x
  3. Step 3: Cross multiply
    980,873.15x = 1,471,124.43 × 306,853.11
  4. Step 4: Simplify right side
    980,873.15x = 451,419,106,542.48
  5. Step 5: Solve for x
    x = 451,419,106,542.48/980,873.15
  6. Step 6: Final answer
    x = 460,221.70

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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.