Home / 625,836.72-938,833.80-305,999.28

Finding the Fourth Proportional to 625,836.72, 938,833.80 and 305,999.28

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Solution

The fourth proportional to 625,836.72, 938,833.80 and 305,999.28 is: 459,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,836.72 : 938,833.80 = 305,999.28 : x
  2. Step 2: Convert to fraction form
    625,836.72/938,833.80 = 305,999.28/x
  3. Step 3: Cross multiply
    625,836.72x = 938,833.80 × 305,999.28
  4. Step 4: Simplify right side
    625,836.72x = 287,282,466,839.66
  5. Step 5: Solve for x
    x = 287,282,466,839.66/625,836.72
  6. Step 6: Final answer
    x = 459,037.41

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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.