Home / 751,299.84-1,036,825.92-449,435.52

Finding the Fourth Proportional to 751,299.84, 1,036,825.92 and 449,435.52

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Solution

The fourth proportional to 751,299.84, 1,036,825.92 and 449,435.52 is: 620,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,299.84 : 1,036,825.92 = 449,435.52 : x
  2. Step 2: Convert to fraction form
    751,299.84/1,036,825.92 = 449,435.52/x
  3. Step 3: Cross multiply
    751,299.84x = 1,036,825.92 × 449,435.52
  4. Step 4: Simplify right side
    751,299.84x = 465,986,396,504.68
  5. Step 5: Solve for x
    x = 465,986,396,504.68/751,299.84
  6. Step 6: Final answer
    x = 620,240.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.