Home / 695,321.65-1,043,145.14-215,524.33

Finding the Fourth Proportional to 695,321.65, 1,043,145.14 and 215,524.33

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Solution

The fourth proportional to 695,321.65, 1,043,145.14 and 215,524.33 is: 323,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,321.65 : 1,043,145.14 = 215,524.33 : x
  2. Step 2: Convert to fraction form
    695,321.65/1,043,145.14 = 215,524.33/x
  3. Step 3: Cross multiply
    695,321.65x = 1,043,145.14 × 215,524.33
  4. Step 4: Simplify right side
    695,321.65x = 224,823,153,705.77
  5. Step 5: Solve for x
    x = 224,823,153,705.77/695,321.65
  6. Step 6: Final answer
    x = 323,336.91

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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.