Home / 768,085.20-1,152,127.80-531,694.80

Finding the Fourth Proportional to 768,085.20, 1,152,127.80 and 531,694.80

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Solution

The fourth proportional to 768,085.20, 1,152,127.80 and 531,694.80 is: 797,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,085.20 : 1,152,127.80 = 531,694.80 : x
  2. Step 2: Convert to fraction form
    768,085.20/1,152,127.80 = 531,694.80/x
  3. Step 3: Cross multiply
    768,085.20x = 1,152,127.80 × 531,694.80
  4. Step 4: Simplify right side
    768,085.20x = 612,580,360,195.44
  5. Step 5: Solve for x
    x = 612,580,360,195.44/768,085.20
  6. Step 6: Final answer
    x = 797,542.20

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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.