Home / 717,712.11-1,076,532.36-268,399.95

Finding the Fourth Proportional to 717,712.11, 1,076,532.36 and 268,399.95

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Solution

The fourth proportional to 717,712.11, 1,076,532.36 and 268,399.95 is: 402,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,712.11 : 1,076,532.36 = 268,399.95 : x
  2. Step 2: Convert to fraction form
    717,712.11/1,076,532.36 = 268,399.95/x
  3. Step 3: Cross multiply
    717,712.11x = 1,076,532.36 × 268,399.95
  4. Step 4: Simplify right side
    717,712.11x = 288,941,231,597.38
  5. Step 5: Solve for x
    x = 288,941,231,597.38/717,712.11
  6. Step 6: Final answer
    x = 402,586.54

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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.