Home / 717,705.27-1,076,522.13-268,393.11

Finding the Fourth Proportional to 717,705.27, 1,076,522.13 and 268,393.11

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Solution

The fourth proportional to 717,705.27, 1,076,522.13 and 268,393.11 is: 402,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,705.27 : 1,076,522.13 = 268,393.11 : x
  2. Step 2: Convert to fraction form
    717,705.27/1,076,522.13 = 268,393.11/x
  3. Step 3: Cross multiply
    717,705.27x = 1,076,522.13 × 268,393.11
  4. Step 4: Simplify right side
    717,705.27x = 288,931,122,115.35
  5. Step 5: Solve for x
    x = 288,931,122,115.35/717,705.27
  6. Step 6: Final answer
    x = 402,576.28

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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.