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Finding the Fourth Proportional to 981,207.60, 1,471,908.60 and 341,412.90

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Solution

The fourth proportional to 981,207.60, 1,471,908.60 and 341,412.90 is: 512,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,207.60 : 1,471,908.60 = 341,412.90 : x
  2. Step 2: Convert to fraction form
    981,207.60/1,471,908.60 = 341,412.90/x
  3. Step 3: Cross multiply
    981,207.60x = 1,471,908.60 × 341,412.90
  4. Step 4: Simplify right side
    981,207.60x = 502,528,583,660.94
  5. Step 5: Solve for x
    x = 502,528,583,660.94/981,207.60
  6. Step 6: Final answer
    x = 512,153.17

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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.