Home / 814,377.30-1,218,507.23-506,722.79

Finding the Fourth Proportional to 814,377.30, 1,218,507.23 and 506,722.79

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Solution

The fourth proportional to 814,377.30, 1,218,507.23 and 506,722.79 is: 758,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,377.30 : 1,218,507.23 = 506,722.79 : x
  2. Step 2: Convert to fraction form
    814,377.30/1,218,507.23 = 506,722.79/x
  3. Step 3: Cross multiply
    814,377.30x = 1,218,507.23 × 506,722.79
  4. Step 4: Simplify right side
    814,377.30x = 617,445,374,594.62
  5. Step 5: Solve for x
    x = 617,445,374,594.62/814,377.30
  6. Step 6: Final answer
    x = 758,180.97

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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.