Home / 728,928.12-1,093,469.94-308,246.52

Finding the Fourth Proportional to 728,928.12, 1,093,469.94 and 308,246.52

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Solution

The fourth proportional to 728,928.12, 1,093,469.94 and 308,246.52 is: 462,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,928.12 : 1,093,469.94 = 308,246.52 : x
  2. Step 2: Convert to fraction form
    728,928.12/1,093,469.94 = 308,246.52/x
  3. Step 3: Cross multiply
    728,928.12x = 1,093,469.94 × 308,246.52
  4. Step 4: Simplify right side
    728,928.12x = 337,058,303,729.61
  5. Step 5: Solve for x
    x = 337,058,303,729.61/728,928.12
  6. Step 6: Final answer
    x = 462,402.66

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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.