Home / 754,569.81-1,131,863.83-299,272.86

Finding the Fourth Proportional to 754,569.81, 1,131,863.83 and 299,272.86

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Solution

The fourth proportional to 754,569.81, 1,131,863.83 and 299,272.86 is: 448,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,569.81 : 1,131,863.83 = 299,272.86 : x
  2. Step 2: Convert to fraction form
    754,569.81/1,131,863.83 = 299,272.86/x
  3. Step 3: Cross multiply
    754,569.81x = 1,131,863.83 × 299,272.86
  4. Step 4: Simplify right side
    754,569.81x = 338,736,124,786.47
  5. Step 5: Solve for x
    x = 338,736,124,786.47/754,569.81
  6. Step 6: Final answer
    x = 448,912.90

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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.