Home / 981,175.06-1,471,762.61-307,309.10

Finding the Fourth Proportional to 981,175.06, 1,471,762.61 and 307,309.10

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Solution

The fourth proportional to 981,175.06, 1,471,762.61 and 307,309.10 is: 460,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,175.06 : 1,471,762.61 = 307,309.10 : x
  2. Step 2: Convert to fraction form
    981,175.06/1,471,762.61 = 307,309.10/x
  3. Step 3: Cross multiply
    981,175.06x = 1,471,762.61 × 307,309.10
  4. Step 4: Simplify right side
    981,175.06x = 452,286,046,772.16
  5. Step 5: Solve for x
    x = 452,286,046,772.16/981,175.06
  6. Step 6: Final answer
    x = 460,963.66

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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.