Home / 981,694.20-1,472,541.30-350,628.60

Finding the Fourth Proportional to 981,694.20, 1,472,541.30 and 350,628.60

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Solution

The fourth proportional to 981,694.20, 1,472,541.30 and 350,628.60 is: 525,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,694.20 : 1,472,541.30 = 350,628.60 : x
  2. Step 2: Convert to fraction form
    981,694.20/1,472,541.30 = 350,628.60/x
  3. Step 3: Cross multiply
    981,694.20x = 1,472,541.30 × 350,628.60
  4. Step 4: Simplify right side
    981,694.20x = 516,315,094,461.18
  5. Step 5: Solve for x
    x = 516,315,094,461.18/981,694.20
  6. Step 6: Final answer
    x = 525,942.90

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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.