Home / 981,539.82-1,472,310.63-307,673.82

Finding the Fourth Proportional to 981,539.82, 1,472,310.63 and 307,673.82

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Solution

The fourth proportional to 981,539.82, 1,472,310.63 and 307,673.82 is: 461,511.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,539.82 : 1,472,310.63 = 307,673.82 : x
  2. Step 2: Convert to fraction form
    981,539.82/1,472,310.63 = 307,673.82/x
  3. Step 3: Cross multiply
    981,539.82x = 1,472,310.63 × 307,673.82
  4. Step 4: Simplify right side
    981,539.82x = 452,991,435,758.71
  5. Step 5: Solve for x
    x = 452,991,435,758.71/981,539.82
  6. Step 6: Final answer
    x = 461,511.01

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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.