Home / 717,610.11-1,076,609.48-268,376.61

Finding the Fourth Proportional to 717,610.11, 1,076,609.48 and 268,376.61

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Solution

The fourth proportional to 717,610.11, 1,076,609.48 and 268,376.61 is: 402,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,610.11 : 1,076,609.48 = 268,376.61 : x
  2. Step 2: Convert to fraction form
    717,610.11/1,076,609.48 = 268,376.61/x
  3. Step 3: Cross multiply
    717,610.11x = 1,076,609.48 × 268,376.61
  4. Step 4: Simplify right side
    717,610.11x = 288,936,802,536.26
  5. Step 5: Solve for x
    x = 288,936,802,536.26/717,610.11
  6. Step 6: Final answer
    x = 402,637.59

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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.