Home / 535,278.30-738,615.72-305,850.44

Finding the Fourth Proportional to 535,278.30, 738,615.72 and 305,850.44

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Solution

The fourth proportional to 535,278.30, 738,615.72 and 305,850.44 is: 422,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,278.30 : 738,615.72 = 305,850.44 : x
  2. Step 2: Convert to fraction form
    535,278.30/738,615.72 = 305,850.44/x
  3. Step 3: Cross multiply
    535,278.30x = 738,615.72 × 305,850.44
  4. Step 4: Simplify right side
    535,278.30x = 225,905,942,952.92
  5. Step 5: Solve for x
    x = 225,905,942,952.92/535,278.30
  6. Step 6: Final answer
    x = 422,034.56

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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.