Home / 723,860.20-1,086,213.66-303,100.84

Finding the Fourth Proportional to 723,860.20, 1,086,213.66 and 303,100.84

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Solution

The fourth proportional to 723,860.20, 1,086,213.66 and 303,100.84 is: 454,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,860.20 : 1,086,213.66 = 303,100.84 : x
  2. Step 2: Convert to fraction form
    723,860.20/1,086,213.66 = 303,100.84/x
  3. Step 3: Cross multiply
    723,860.20x = 1,086,213.66 × 303,100.84
  4. Step 4: Simplify right side
    723,860.20x = 329,232,272,765.47
  5. Step 5: Solve for x
    x = 329,232,272,765.47/723,860.20
  6. Step 6: Final answer
    x = 454,828.53

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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.