Home / 981,785.72-1,472,696.94-307,852.22

Finding the Fourth Proportional to 981,785.72, 1,472,696.94 and 307,852.22

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Solution

The fourth proportional to 981,785.72, 1,472,696.94 and 307,852.22 is: 461,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,785.72 : 1,472,696.94 = 307,852.22 : x
  2. Step 2: Convert to fraction form
    981,785.72/1,472,696.94 = 307,852.22/x
  3. Step 3: Cross multiply
    981,785.72x = 1,472,696.94 × 307,852.22
  4. Step 4: Simplify right side
    981,785.72x = 453,373,022,366.21
  5. Step 5: Solve for x
    x = 453,373,022,366.21/981,785.72
  6. Step 6: Final answer
    x = 461,784.09

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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.