Home / 888,124.50-1,225,640.97-485,716.50

Finding the Fourth Proportional to 888,124.50, 1,225,640.97 and 485,716.50

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Solution

The fourth proportional to 888,124.50, 1,225,640.97 and 485,716.50 is: 670,304.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,124.50 : 1,225,640.97 = 485,716.50 : x
  2. Step 2: Convert to fraction form
    888,124.50/1,225,640.97 = 485,716.50/x
  3. Step 3: Cross multiply
    888,124.50x = 1,225,640.97 × 485,716.50
  4. Step 4: Simplify right side
    888,124.50x = 595,314,042,205.01
  5. Step 5: Solve for x
    x = 595,314,042,205.01/888,124.50
  6. Step 6: Final answer
    x = 670,304.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.