Home / 756,310.57-1,043,695.20-412,149.58

Finding the Fourth Proportional to 756,310.57, 1,043,695.20 and 412,149.58

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Solution

The fourth proportional to 756,310.57, 1,043,695.20 and 412,149.58 is: 568,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,310.57 : 1,043,695.20 = 412,149.58 : x
  2. Step 2: Convert to fraction form
    756,310.57/1,043,695.20 = 412,149.58/x
  3. Step 3: Cross multiply
    756,310.57x = 1,043,695.20 × 412,149.58
  4. Step 4: Simplify right side
    756,310.57x = 430,158,538,328.02
  5. Step 5: Solve for x
    x = 430,158,538,328.02/756,310.57
  6. Step 6: Final answer
    x = 568,759.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.