Home / 717,649.65-1,076,100.75-268,000.83

Finding the Fourth Proportional to 717,649.65, 1,076,100.75 and 268,000.83

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Solution

The fourth proportional to 717,649.65, 1,076,100.75 and 268,000.83 is: 401,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,649.65 : 1,076,100.75 = 268,000.83 : x
  2. Step 2: Convert to fraction form
    717,649.65/1,076,100.75 = 268,000.83/x
  3. Step 3: Cross multiply
    717,649.65x = 1,076,100.75 × 268,000.83
  4. Step 4: Simplify right side
    717,649.65x = 288,395,894,163.62
  5. Step 5: Solve for x
    x = 288,395,894,163.62/717,649.65
  6. Step 6: Final answer
    x = 401,861.68

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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.