Home / 981,617.46-1,472,383.35-307,683.38

Finding the Fourth Proportional to 981,617.46, 1,472,383.35 and 307,683.38

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Solution

The fourth proportional to 981,617.46, 1,472,383.35 and 307,683.38 is: 461,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,617.46 : 1,472,383.35 = 307,683.38 : x
  2. Step 2: Convert to fraction form
    981,617.46/1,472,383.35 = 307,683.38/x
  3. Step 3: Cross multiply
    981,617.46x = 1,472,383.35 × 307,683.38
  4. Step 4: Simplify right side
    981,617.46x = 453,027,878,421.81
  5. Step 5: Solve for x
    x = 453,027,878,421.81/981,617.46
  6. Step 6: Final answer
    x = 461,511.63

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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.