Home / 938,333.70-1,407,500.69-228,361.74

Finding the Fourth Proportional to 938,333.70, 1,407,500.69 and 228,361.74

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Solution

The fourth proportional to 938,333.70, 1,407,500.69 and 228,361.74 is: 342,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,333.70 : 1,407,500.69 = 228,361.74 : x
  2. Step 2: Convert to fraction form
    938,333.70/1,407,500.69 = 228,361.74/x
  3. Step 3: Cross multiply
    938,333.70x = 1,407,500.69 × 228,361.74
  4. Step 4: Simplify right side
    938,333.70x = 321,419,306,619.60
  5. Step 5: Solve for x
    x = 321,419,306,619.60/938,333.70
  6. Step 6: Final answer
    x = 342,542.64

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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.