Home / 816,229.20-1,224,470.52-416,653.80

Finding the Fourth Proportional to 816,229.20, 1,224,470.52 and 416,653.80

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Solution

The fourth proportional to 816,229.20, 1,224,470.52 and 416,653.80 is: 625,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,229.20 : 1,224,470.52 = 416,653.80 : x
  2. Step 2: Convert to fraction form
    816,229.20/1,224,470.52 = 416,653.80/x
  3. Step 3: Cross multiply
    816,229.20x = 1,224,470.52 × 416,653.80
  4. Step 4: Simplify right side
    816,229.20x = 510,180,295,145.98
  5. Step 5: Solve for x
    x = 510,180,295,145.98/816,229.20
  6. Step 6: Final answer
    x = 625,045.39

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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.