Home / 981,335.70-1,472,003.55-603,422.10

Finding the Fourth Proportional to 981,335.70, 1,472,003.55 and 603,422.10

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Solution

The fourth proportional to 981,335.70, 1,472,003.55 and 603,422.10 is: 905,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,335.70 : 1,472,003.55 = 603,422.10 : x
  2. Step 2: Convert to fraction form
    981,335.70/1,472,003.55 = 603,422.10/x
  3. Step 3: Cross multiply
    981,335.70x = 1,472,003.55 × 603,422.10
  4. Step 4: Simplify right side
    981,335.70x = 888,239,473,348.46
  5. Step 5: Solve for x
    x = 888,239,473,348.46/981,335.70
  6. Step 6: Final answer
    x = 905,133.15

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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.