Home / 717,407.46-1,076,080.05-268,132.22

Finding the Fourth Proportional to 717,407.46, 1,076,080.05 and 268,132.22

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Solution

The fourth proportional to 717,407.46, 1,076,080.05 and 268,132.22 is: 402,186.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,407.46 : 1,076,080.05 = 268,132.22 : x
  2. Step 2: Convert to fraction form
    717,407.46/1,076,080.05 = 268,132.22/x
  3. Step 3: Cross multiply
    717,407.46x = 1,076,080.05 × 268,132.22
  4. Step 4: Simplify right side
    717,407.46x = 288,531,727,323.81
  5. Step 5: Solve for x
    x = 288,531,727,323.81/717,407.46
  6. Step 6: Final answer
    x = 402,186.68

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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.