Home / 695,304.60-1,043,119.64-215,507.33

Finding the Fourth Proportional to 695,304.60, 1,043,119.64 and 215,507.33

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Solution

The fourth proportional to 695,304.60, 1,043,119.64 and 215,507.33 is: 323,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,304.60 : 1,043,119.64 = 215,507.33 : x
  2. Step 2: Convert to fraction form
    695,304.60/1,043,119.64 = 215,507.33/x
  3. Step 3: Cross multiply
    695,304.60x = 1,043,119.64 × 215,507.33
  4. Step 4: Simplify right side
    695,304.60x = 224,799,928,486.96
  5. Step 5: Solve for x
    x = 224,799,928,486.96/695,304.60
  6. Step 6: Final answer
    x = 323,311.44

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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.