Home / 981,374.92-1,472,060.56-307,507.84

Finding the Fourth Proportional to 981,374.92, 1,472,060.56 and 307,507.84

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Solution

The fourth proportional to 981,374.92, 1,472,060.56 and 307,507.84 is: 461,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,374.92 : 1,472,060.56 = 307,507.84 : x
  2. Step 2: Convert to fraction form
    981,374.92/1,472,060.56 = 307,507.84/x
  3. Step 3: Cross multiply
    981,374.92x = 1,472,060.56 × 307,507.84
  4. Step 4: Simplify right side
    981,374.92x = 452,670,164,226.10
  5. Step 5: Solve for x
    x = 452,670,164,226.10/981,374.92
  6. Step 6: Final answer
    x = 461,261.19

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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.