Home / 695,321.04-1,043,143.30-215,523.40

Finding the Fourth Proportional to 695,321.04, 1,043,143.30 and 215,523.40

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Solution

The fourth proportional to 695,321.04, 1,043,143.30 and 215,523.40 is: 323,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,321.04 : 1,043,143.30 = 215,523.40 : x
  2. Step 2: Convert to fraction form
    695,321.04/1,043,143.30 = 215,523.40/x
  3. Step 3: Cross multiply
    695,321.04x = 1,043,143.30 × 215,523.40
  4. Step 4: Simplify right side
    695,321.04x = 224,821,790,703.22
  5. Step 5: Solve for x
    x = 224,821,790,703.22/695,321.04
  6. Step 6: Final answer
    x = 323,335.23

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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.