Home / 748,338.22-1,122,950.19-275,355.73

Finding the Fourth Proportional to 748,338.22, 1,122,950.19 and 275,355.73

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Solution

The fourth proportional to 748,338.22, 1,122,950.19 and 275,355.73 is: 413,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,338.22 : 1,122,950.19 = 275,355.73 : x
  2. Step 2: Convert to fraction form
    748,338.22/1,122,950.19 = 275,355.73/x
  3. Step 3: Cross multiply
    748,338.22x = 1,122,950.19 × 275,355.73
  4. Step 4: Simplify right side
    748,338.22x = 309,210,769,321.09
  5. Step 5: Solve for x
    x = 309,210,769,321.09/748,338.22
  6. Step 6: Final answer
    x = 413,196.55

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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.