Home / 981,770.22-1,472,673.56-307,836.45

Finding the Fourth Proportional to 981,770.22, 1,472,673.56 and 307,836.45

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Solution

The fourth proportional to 981,770.22, 1,472,673.56 and 307,836.45 is: 461,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,770.22 : 1,472,673.56 = 307,836.45 : x
  2. Step 2: Convert to fraction form
    981,770.22/1,472,673.56 = 307,836.45/x
  3. Step 3: Cross multiply
    981,770.22x = 1,472,673.56 × 307,836.45
  4. Step 4: Simplify right side
    981,770.22x = 453,342,599,180.08
  5. Step 5: Solve for x
    x = 453,342,599,180.08/981,770.22
  6. Step 6: Final answer
    x = 461,760.39

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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.