Home / 717,726.20-1,076,589.30-291,261.20

Finding the Fourth Proportional to 717,726.20, 1,076,589.30 and 291,261.20

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Solution

The fourth proportional to 717,726.20, 1,076,589.30 and 291,261.20 is: 436,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,726.20 : 1,076,589.30 = 291,261.20 : x
  2. Step 2: Convert to fraction form
    717,726.20/1,076,589.30 = 291,261.20/x
  3. Step 3: Cross multiply
    717,726.20x = 1,076,589.30 × 291,261.20
  4. Step 4: Simplify right side
    717,726.20x = 313,568,691,425.16
  5. Step 5: Solve for x
    x = 313,568,691,425.16/717,726.20
  6. Step 6: Final answer
    x = 436,891.80

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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.