Home / 981,356.75-1,472,034.67-307,491.02

Finding the Fourth Proportional to 981,356.75, 1,472,034.67 and 307,491.02

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Solution

The fourth proportional to 981,356.75, 1,472,034.67 and 307,491.02 is: 461,236.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,356.75 : 1,472,034.67 = 307,491.02 : x
  2. Step 2: Convert to fraction form
    981,356.75/1,472,034.67 = 307,491.02/x
  3. Step 3: Cross multiply
    981,356.75x = 1,472,034.67 × 307,491.02
  4. Step 4: Simplify right side
    981,356.75x = 452,637,439,544.89
  5. Step 5: Solve for x
    x = 452,637,439,544.89/981,356.75
  6. Step 6: Final answer
    x = 461,236.39

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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.