Home / 768,345.13-1,151,584.57-543,771.21

Finding the Fourth Proportional to 768,345.13, 1,151,584.57 and 543,771.21

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Solution

The fourth proportional to 768,345.13, 1,151,584.57 and 543,771.21 is: 814,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,345.13 : 1,151,584.57 = 543,771.21 : x
  2. Step 2: Convert to fraction form
    768,345.13/1,151,584.57 = 543,771.21/x
  3. Step 3: Cross multiply
    768,345.13x = 1,151,584.57 × 543,771.21
  4. Step 4: Simplify right side
    768,345.13x = 626,198,535,046.23
  5. Step 5: Solve for x
    x = 626,198,535,046.23/768,345.13
  6. Step 6: Final answer
    x = 814,996.43

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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.