Home / 717,704.45-1,076,520.90-268,392.29

Finding the Fourth Proportional to 717,704.45, 1,076,520.90 and 268,392.29

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Solution

The fourth proportional to 717,704.45, 1,076,520.90 and 268,392.29 is: 402,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,704.45 : 1,076,520.90 = 268,392.29 : x
  2. Step 2: Convert to fraction form
    717,704.45/1,076,520.90 = 268,392.29/x
  3. Step 3: Cross multiply
    717,704.45x = 1,076,520.90 × 268,392.29
  4. Step 4: Simplify right side
    717,704.45x = 288,929,905,207.73
  5. Step 5: Solve for x
    x = 288,929,905,207.73/717,704.45
  6. Step 6: Final answer
    x = 402,575.05

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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.