Home / 768,172.62-1,059,919.92-441,422.49

Finding the Fourth Proportional to 768,172.62, 1,059,919.92 and 441,422.49

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Solution

The fourth proportional to 768,172.62, 1,059,919.92 and 441,422.49 is: 609,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,172.62 : 1,059,919.92 = 441,422.49 : x
  2. Step 2: Convert to fraction form
    768,172.62/1,059,919.92 = 441,422.49/x
  3. Step 3: Cross multiply
    768,172.62x = 1,059,919.92 × 441,422.49
  4. Step 4: Simplify right side
    768,172.62x = 467,872,490,287.00
  5. Step 5: Solve for x
    x = 467,872,490,287.00/768,172.62
  6. Step 6: Final answer
    x = 609,072.07

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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.