Home / 728,984.54-1,093,964.89-302,520.79

Finding the Fourth Proportional to 728,984.54, 1,093,964.89 and 302,520.79

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Solution

The fourth proportional to 728,984.54, 1,093,964.89 and 302,520.79 is: 453,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,984.54 : 1,093,964.89 = 302,520.79 : x
  2. Step 2: Convert to fraction form
    728,984.54/1,093,964.89 = 302,520.79/x
  3. Step 3: Cross multiply
    728,984.54x = 1,093,964.89 × 302,520.79
  4. Step 4: Simplify right side
    728,984.54x = 330,947,122,755.06
  5. Step 5: Solve for x
    x = 330,947,122,755.06/728,984.54
  6. Step 6: Final answer
    x = 453,983.73

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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.