Home / 717,402.21-1,076,072.18-268,126.97

Finding the Fourth Proportional to 717,402.21, 1,076,072.18 and 268,126.97

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Solution

The fourth proportional to 717,402.21, 1,076,072.18 and 268,126.97 is: 402,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,402.21 : 1,076,072.18 = 268,126.97 : x
  2. Step 2: Convert to fraction form
    717,402.21/1,076,072.18 = 268,126.97/x
  3. Step 3: Cross multiply
    717,402.21x = 1,076,072.18 × 268,126.97
  4. Step 4: Simplify right side
    717,402.21x = 288,523,966,403.70
  5. Step 5: Solve for x
    x = 288,523,966,403.70/717,402.21
  6. Step 6: Final answer
    x = 402,178.81

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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.