Home / 753,003.54-1,129,751.35-303,493.03

Finding the Fourth Proportional to 753,003.54, 1,129,751.35 and 303,493.03

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Solution

The fourth proportional to 753,003.54, 1,129,751.35 and 303,493.03 is: 455,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,003.54 : 1,129,751.35 = 303,493.03 : x
  2. Step 2: Convert to fraction form
    753,003.54/1,129,751.35 = 303,493.03/x
  3. Step 3: Cross multiply
    753,003.54x = 1,129,751.35 × 303,493.03
  4. Step 4: Simplify right side
    753,003.54x = 342,871,656,774.98
  5. Step 5: Solve for x
    x = 342,871,656,774.98/753,003.54
  6. Step 6: Final answer
    x = 455,338.71

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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.