Home / 981,373.02-1,472,058.99-307,507.29

Finding the Fourth Proportional to 981,373.02, 1,472,058.99 and 307,507.29

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Solution

The fourth proportional to 981,373.02, 1,472,058.99 and 307,507.29 is: 461,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,373.02 : 1,472,058.99 = 307,507.29 : x
  2. Step 2: Convert to fraction form
    981,373.02/1,472,058.99 = 307,507.29/x
  3. Step 3: Cross multiply
    981,373.02x = 1,472,058.99 × 307,507.29
  4. Step 4: Simplify right side
    981,373.02x = 452,668,870,735.04
  5. Step 5: Solve for x
    x = 452,668,870,735.04/981,373.02
  6. Step 6: Final answer
    x = 461,260.77

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Double scale
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Similar ratio
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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.