Home / 981,939.47-1,354,796.97-589,312.90

Finding the Fourth Proportional to 981,939.47, 1,354,796.97 and 589,312.90

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Solution

The fourth proportional to 981,939.47, 1,354,796.97 and 589,312.90 is: 813,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,939.47 : 1,354,796.97 = 589,312.90 : x
  2. Step 2: Convert to fraction form
    981,939.47/1,354,796.97 = 589,312.90/x
  3. Step 3: Cross multiply
    981,939.47x = 1,354,796.97 × 589,312.90
  4. Step 4: Simplify right side
    981,939.47x = 798,399,324,527.93
  5. Step 5: Solve for x
    x = 798,399,324,527.93/981,939.47
  6. Step 6: Final answer
    x = 813,084.05

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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.