Home / 938,447.10-1,407,657.45-228,476.70

Finding the Fourth Proportional to 938,447.10, 1,407,657.45 and 228,476.70

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Solution

The fourth proportional to 938,447.10, 1,407,657.45 and 228,476.70 is: 342,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,447.10 : 1,407,657.45 = 228,476.70 : x
  2. Step 2: Convert to fraction form
    938,447.10/1,407,657.45 = 228,476.70/x
  3. Step 3: Cross multiply
    938,447.10x = 1,407,657.45 × 228,476.70
  4. Step 4: Simplify right side
    938,447.10x = 321,616,928,906.42
  5. Step 5: Solve for x
    x = 321,616,928,906.42/938,447.10
  6. Step 6: Final answer
    x = 342,711.84

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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.