Home / 717,706.27-1,076,523.63-268,394.11

Finding the Fourth Proportional to 717,706.27, 1,076,523.63 and 268,394.11

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Solution

The fourth proportional to 717,706.27, 1,076,523.63 and 268,394.11 is: 402,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,706.27 : 1,076,523.63 = 268,394.11 : x
  2. Step 2: Convert to fraction form
    717,706.27/1,076,523.63 = 268,394.11/x
  3. Step 3: Cross multiply
    717,706.27x = 1,076,523.63 × 268,394.11
  4. Step 4: Simplify right side
    717,706.27x = 288,932,601,567.82
  5. Step 5: Solve for x
    x = 288,932,601,567.82/717,706.27
  6. Step 6: Final answer
    x = 402,577.79

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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.