Home / 726,714.42-1,090,316.13-321,850.50

Finding the Fourth Proportional to 726,714.42, 1,090,316.13 and 321,850.50

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Solution

The fourth proportional to 726,714.42, 1,090,316.13 and 321,850.50 is: 482,884.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,714.42 : 1,090,316.13 = 321,850.50 : x
  2. Step 2: Convert to fraction form
    726,714.42/1,090,316.13 = 321,850.50/x
  3. Step 3: Cross multiply
    726,714.42x = 1,090,316.13 × 321,850.50
  4. Step 4: Simplify right side
    726,714.42x = 350,918,791,598.57
  5. Step 5: Solve for x
    x = 350,918,791,598.57/726,714.42
  6. Step 6: Final answer
    x = 482,884.04

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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.