Home / 717,304.34-1,076,229.89-268,225.76

Finding the Fourth Proportional to 717,304.34, 1,076,229.89 and 268,225.76

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Solution

The fourth proportional to 717,304.34, 1,076,229.89 and 268,225.76 is: 402,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,304.34 : 1,076,229.89 = 268,225.76 : x
  2. Step 2: Convert to fraction form
    717,304.34/1,076,229.89 = 268,225.76/x
  3. Step 3: Cross multiply
    717,304.34x = 1,076,229.89 × 268,225.76
  4. Step 4: Simplify right side
    717,304.34x = 288,672,582,535.26
  5. Step 5: Solve for x
    x = 288,672,582,535.26/717,304.34
  6. Step 6: Final answer
    x = 402,440.87

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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.