Home / 924,137.20-1,275,309.33-521,729.20

Finding the Fourth Proportional to 924,137.20, 1,275,309.33 and 521,729.20

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Solution

The fourth proportional to 924,137.20, 1,275,309.33 and 521,729.20 is: 719,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,137.20 : 1,275,309.33 = 521,729.20 : x
  2. Step 2: Convert to fraction form
    924,137.20/1,275,309.33 = 521,729.20/x
  3. Step 3: Cross multiply
    924,137.20x = 1,275,309.33 × 521,729.20
  4. Step 4: Simplify right side
    924,137.20x = 665,366,116,493.44
  5. Step 5: Solve for x
    x = 665,366,116,493.44/924,137.20
  6. Step 6: Final answer
    x = 719,986.29

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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.