Home / 695,431.04-1,043,309.28-215,633.60

Finding the Fourth Proportional to 695,431.04, 1,043,309.28 and 215,633.60

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Solution

The fourth proportional to 695,431.04, 1,043,309.28 and 215,633.60 is: 323,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,431.04 : 1,043,309.28 = 215,633.60 : x
  2. Step 2: Convert to fraction form
    695,431.04/1,043,309.28 = 215,633.60/x
  3. Step 3: Cross multiply
    695,431.04x = 1,043,309.28 × 215,633.60
  4. Step 4: Simplify right side
    695,431.04x = 224,972,535,959.81
  5. Step 5: Solve for x
    x = 224,972,535,959.81/695,431.04
  6. Step 6: Final answer
    x = 323,500.85

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Double scale
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Similar ratio
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1.5x scale

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.