Home / 938,451.90-1,407,680.73-228,480.06

Finding the Fourth Proportional to 938,451.90, 1,407,680.73 and 228,480.06

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Solution

The fourth proportional to 938,451.90, 1,407,680.73 and 228,480.06 is: 342,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,451.90 : 1,407,680.73 = 228,480.06 : x
  2. Step 2: Convert to fraction form
    938,451.90/1,407,680.73 = 228,480.06/x
  3. Step 3: Cross multiply
    938,451.90x = 1,407,680.73 × 228,480.06
  4. Step 4: Simplify right side
    938,451.90x = 321,626,977,651.24
  5. Step 5: Solve for x
    x = 321,626,977,651.24/938,451.90
  6. Step 6: Final answer
    x = 342,720.79

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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.