Home / 717,712.06-1,076,532.31-268,399.90

Finding the Fourth Proportional to 717,712.06, 1,076,532.31 and 268,399.90

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Solution

The fourth proportional to 717,712.06, 1,076,532.31 and 268,399.90 is: 402,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,712.06 : 1,076,532.31 = 268,399.90 : x
  2. Step 2: Convert to fraction form
    717,712.06/1,076,532.31 = 268,399.90/x
  3. Step 3: Cross multiply
    717,712.06x = 1,076,532.31 × 268,399.90
  4. Step 4: Simplify right side
    717,712.06x = 288,941,164,350.77
  5. Step 5: Solve for x
    x = 288,941,164,350.77/717,712.06
  6. Step 6: Final answer
    x = 402,586.47

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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.