Home / 790,515.38-1,185,805.86-229,549.88

Finding the Fourth Proportional to 790,515.38, 1,185,805.86 and 229,549.88

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Solution

The fourth proportional to 790,515.38, 1,185,805.86 and 229,549.88 is: 344,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,515.38 : 1,185,805.86 = 229,549.88 : x
  2. Step 2: Convert to fraction form
    790,515.38/1,185,805.86 = 229,549.88/x
  3. Step 3: Cross multiply
    790,515.38x = 1,185,805.86 × 229,549.88
  4. Step 4: Simplify right side
    790,515.38x = 272,201,592,866.30
  5. Step 5: Solve for x
    x = 272,201,592,866.30/790,515.38
  6. Step 6: Final answer
    x = 344,334.34

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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.