Home / 981,450.26-1,472,173.59-307,583.18

Finding the Fourth Proportional to 981,450.26, 1,472,173.59 and 307,583.18

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Solution

The fourth proportional to 981,450.26, 1,472,173.59 and 307,583.18 is: 461,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,450.26 : 1,472,173.59 = 307,583.18 : x
  2. Step 2: Convert to fraction form
    981,450.26/1,472,173.59 = 307,583.18/x
  3. Step 3: Cross multiply
    981,450.26x = 1,472,173.59 × 307,583.18
  4. Step 4: Simplify right side
    981,450.26x = 452,815,834,324.22
  5. Step 5: Solve for x
    x = 452,815,834,324.22/981,450.26
  6. Step 6: Final answer
    x = 461,374.21

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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.