Home / 757,621.20-1,136,404.11-225,128.39

Finding the Fourth Proportional to 757,621.20, 1,136,404.11 and 225,128.39

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Solution

The fourth proportional to 757,621.20, 1,136,404.11 and 225,128.39 is: 337,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,621.20 : 1,136,404.11 = 225,128.39 : x
  2. Step 2: Convert to fraction form
    757,621.20/1,136,404.11 = 225,128.39/x
  3. Step 3: Cross multiply
    757,621.20x = 1,136,404.11 × 225,128.39
  4. Step 4: Simplify right side
    757,621.20x = 255,836,827,630.10
  5. Step 5: Solve for x
    x = 255,836,827,630.10/757,621.20
  6. Step 6: Final answer
    x = 337,684.36

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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.