Home / 981,376.67-1,472,063.18-307,509.59

Finding the Fourth Proportional to 981,376.67, 1,472,063.18 and 307,509.59

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Solution

The fourth proportional to 981,376.67, 1,472,063.18 and 307,509.59 is: 461,263.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,376.67 : 1,472,063.18 = 307,509.59 : x
  2. Step 2: Convert to fraction form
    981,376.67/1,472,063.18 = 307,509.59/x
  3. Step 3: Cross multiply
    981,376.67x = 1,472,063.18 × 307,509.59
  4. Step 4: Simplify right side
    981,376.67x = 452,673,544,935.90
  5. Step 5: Solve for x
    x = 452,673,544,935.90/981,376.67
  6. Step 6: Final answer
    x = 461,263.81

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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.