Home / 717,475.98-1,076,067.09-268,113.90

Finding the Fourth Proportional to 717,475.98, 1,076,067.09 and 268,113.90

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Solution

The fourth proportional to 717,475.98, 1,076,067.09 and 268,113.90 is: 402,115.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,475.98 : 1,076,067.09 = 268,113.90 : x
  2. Step 2: Convert to fraction form
    717,475.98/1,076,067.09 = 268,113.90/x
  3. Step 3: Cross multiply
    717,475.98x = 1,076,067.09 × 268,113.90
  4. Step 4: Simplify right side
    717,475.98x = 288,508,544,161.55
  5. Step 5: Solve for x
    x = 288,508,544,161.55/717,475.98
  6. Step 6: Final answer
    x = 402,115.96

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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.