Home / 822,221.79-1,233,465.66-253,469.83

Finding the Fourth Proportional to 822,221.79, 1,233,465.66 and 253,469.83

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Solution

The fourth proportional to 822,221.79, 1,233,465.66 and 253,469.83 is: 380,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,221.79 : 1,233,465.66 = 253,469.83 : x
  2. Step 2: Convert to fraction form
    822,221.79/1,233,465.66 = 253,469.83/x
  3. Step 3: Cross multiply
    822,221.79x = 1,233,465.66 × 253,469.83
  4. Step 4: Simplify right side
    822,221.79x = 312,646,327,291.28
  5. Step 5: Solve for x
    x = 312,646,327,291.28/822,221.79
  6. Step 6: Final answer
    x = 380,245.73

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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.