Home / 814,201.93-1,221,306.03-340,555.03

Finding the Fourth Proportional to 814,201.93, 1,221,306.03 and 340,555.03

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Solution

The fourth proportional to 814,201.93, 1,221,306.03 and 340,555.03 is: 510,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,201.93 : 1,221,306.03 = 340,555.03 : x
  2. Step 2: Convert to fraction form
    814,201.93/1,221,306.03 = 340,555.03/x
  3. Step 3: Cross multiply
    814,201.93x = 1,221,306.03 × 340,555.03
  4. Step 4: Simplify right side
    814,201.93x = 415,921,911,685.83
  5. Step 5: Solve for x
    x = 415,921,911,685.83/814,201.93
  6. Step 6: Final answer
    x = 510,833.86

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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.