Home / 981,172.05-1,471,758.10-307,306.10

Finding the Fourth Proportional to 981,172.05, 1,471,758.10 and 307,306.10

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Solution

The fourth proportional to 981,172.05, 1,471,758.10 and 307,306.10 is: 460,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,172.05 : 1,471,758.10 = 307,306.10 : x
  2. Step 2: Convert to fraction form
    981,172.05/1,471,758.10 = 307,306.10/x
  3. Step 3: Cross multiply
    981,172.05x = 1,471,758.10 × 307,306.10
  4. Step 4: Simplify right side
    981,172.05x = 452,280,246,494.14
  5. Step 5: Solve for x
    x = 452,280,246,494.14/981,172.05
  6. Step 6: Final answer
    x = 460,959.16

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1.5x scale

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.