Home / 723,861.20-1,086,215.16-303,101.84

Finding the Fourth Proportional to 723,861.20, 1,086,215.16 and 303,101.84

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Solution

The fourth proportional to 723,861.20, 1,086,215.16 and 303,101.84 is: 454,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,861.20 : 1,086,215.16 = 303,101.84 : x
  2. Step 2: Convert to fraction form
    723,861.20/1,086,215.16 = 303,101.84/x
  3. Step 3: Cross multiply
    723,861.20x = 1,086,215.16 × 303,101.84
  4. Step 4: Simplify right side
    723,861.20x = 329,233,813,631.89
  5. Step 5: Solve for x
    x = 329,233,813,631.89/723,861.20
  6. Step 6: Final answer
    x = 454,830.03

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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.