Home / 717,726.87-1,076,554.44-268,414.65

Finding the Fourth Proportional to 717,726.87, 1,076,554.44 and 268,414.65

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Solution

The fourth proportional to 717,726.87, 1,076,554.44 and 268,414.65 is: 402,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,726.87 : 1,076,554.44 = 268,414.65 : x
  2. Step 2: Convert to fraction form
    717,726.87/1,076,554.44 = 268,414.65/x
  3. Step 3: Cross multiply
    717,726.87x = 1,076,554.44 × 268,414.65
  4. Step 4: Simplify right side
    717,726.87x = 288,962,983,218.55
  5. Step 5: Solve for x
    x = 288,962,983,218.55/717,726.87
  6. Step 6: Final answer
    x = 402,608.56

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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.