Home / 723,997.20-1,086,419.16-303,237.84

Finding the Fourth Proportional to 723,997.20, 1,086,419.16 and 303,237.84

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Solution

The fourth proportional to 723,997.20, 1,086,419.16 and 303,237.84 is: 455,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,997.20 : 1,086,419.16 = 303,237.84 : x
  2. Step 2: Convert to fraction form
    723,997.20/1,086,419.16 = 303,237.84/x
  3. Step 3: Cross multiply
    723,997.20x = 1,086,419.16 × 303,237.84
  4. Step 4: Simplify right side
    723,997.20x = 329,443,399,413.01
  5. Step 5: Solve for x
    x = 329,443,399,413.01/723,997.20
  6. Step 6: Final answer
    x = 455,034.08

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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.