Home / 728,983.54-1,093,963.39-302,519.79

Finding the Fourth Proportional to 728,983.54, 1,093,963.39 and 302,519.79

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Solution

The fourth proportional to 728,983.54, 1,093,963.39 and 302,519.79 is: 453,982.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,983.54 : 1,093,963.39 = 302,519.79 : x
  2. Step 2: Convert to fraction form
    728,983.54/1,093,963.39 = 302,519.79/x
  3. Step 3: Cross multiply
    728,983.54x = 1,093,963.39 × 302,519.79
  4. Step 4: Simplify right side
    728,983.54x = 330,945,574,254.19
  5. Step 5: Solve for x
    x = 330,945,574,254.19/728,983.54
  6. Step 6: Final answer
    x = 453,982.23

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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.