Home / 981,200.70-1,471,849.65-508,808.70

Finding the Fourth Proportional to 981,200.70, 1,471,849.65 and 508,808.70

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Solution

The fourth proportional to 981,200.70, 1,471,849.65 and 508,808.70 is: 763,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,200.70 : 1,471,849.65 = 508,808.70 : x
  2. Step 2: Convert to fraction form
    981,200.70/1,471,849.65 = 508,808.70/x
  3. Step 3: Cross multiply
    981,200.70x = 1,471,849.65 × 508,808.70
  4. Step 4: Simplify right side
    981,200.70x = 748,889,907,011.96
  5. Step 5: Solve for x
    x = 748,889,907,011.96/981,200.70
  6. Step 6: Final answer
    x = 763,238.25

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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.