Home / 728,851.05-1,092,808.26-302,680.85

Finding the Fourth Proportional to 728,851.05, 1,092,808.26 and 302,680.85

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Solution

The fourth proportional to 728,851.05, 1,092,808.26 and 302,680.85 is: 453,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,851.05 : 1,092,808.26 = 302,680.85 : x
  2. Step 2: Convert to fraction form
    728,851.05/1,092,808.26 = 302,680.85/x
  3. Step 3: Cross multiply
    728,851.05x = 1,092,808.26 × 302,680.85
  4. Step 4: Simplify right side
    728,851.05x = 330,772,128,694.83
  5. Step 5: Solve for x
    x = 330,772,128,694.83/728,851.05
  6. Step 6: Final answer
    x = 453,826.78

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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.