Home / 816,352.20-1,224,722.70-342,793.80

Finding the Fourth Proportional to 816,352.20, 1,224,722.70 and 342,793.80

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Solution

The fourth proportional to 816,352.20, 1,224,722.70 and 342,793.80 is: 514,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,352.20 : 1,224,722.70 = 342,793.80 : x
  2. Step 2: Convert to fraction form
    816,352.20/1,224,722.70 = 342,793.80/x
  3. Step 3: Cross multiply
    816,352.20x = 1,224,722.70 × 342,793.80
  4. Step 4: Simplify right side
    816,352.20x = 419,827,348,279.26
  5. Step 5: Solve for x
    x = 419,827,348,279.26/816,352.20
  6. Step 6: Final answer
    x = 514,272.33

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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.