Home / 938,760.69-1,408,250.99-298,840.22

Finding the Fourth Proportional to 938,760.69, 1,408,250.99 and 298,840.22

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Solution

The fourth proportional to 938,760.69, 1,408,250.99 and 298,840.22 is: 448,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,760.69 : 1,408,250.99 = 298,840.22 : x
  2. Step 2: Convert to fraction form
    938,760.69/1,408,250.99 = 298,840.22/x
  3. Step 3: Cross multiply
    938,760.69x = 1,408,250.99 × 298,840.22
  4. Step 4: Simplify right side
    938,760.69x = 420,842,039,754.16
  5. Step 5: Solve for x
    x = 420,842,039,754.16/938,760.69
  6. Step 6: Final answer
    x = 448,295.33

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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.