Home / 814,231.70-1,221,347.55-341,450.90

Finding the Fourth Proportional to 814,231.70, 1,221,347.55 and 341,450.90

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Solution

The fourth proportional to 814,231.70, 1,221,347.55 and 341,450.90 is: 512,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,231.70 : 1,221,347.55 = 341,450.90 : x
  2. Step 2: Convert to fraction form
    814,231.70/1,221,347.55 = 341,450.90/x
  3. Step 3: Cross multiply
    814,231.70x = 1,221,347.55 × 341,450.90
  4. Step 4: Simplify right side
    814,231.70x = 417,030,220,160.30
  5. Step 5: Solve for x
    x = 417,030,220,160.30/814,231.70
  6. Step 6: Final answer
    x = 512,176.35

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Similar ratio
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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.