Home / 741,019.73-1,022,593.89-418,722.86

Finding the Fourth Proportional to 741,019.73, 1,022,593.89 and 418,722.86

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Solution

The fourth proportional to 741,019.73, 1,022,593.89 and 418,722.86 is: 577,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,019.73 : 1,022,593.89 = 418,722.86 : x
  2. Step 2: Convert to fraction form
    741,019.73/1,022,593.89 = 418,722.86/x
  3. Step 3: Cross multiply
    741,019.73x = 1,022,593.89 × 418,722.86
  4. Step 4: Simplify right side
    741,019.73x = 428,183,438,239.33
  5. Step 5: Solve for x
    x = 428,183,438,239.33/741,019.73
  6. Step 6: Final answer
    x = 577,830.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.