Home / 938,448.60-1,407,659.70-228,478.20

Finding the Fourth Proportional to 938,448.60, 1,407,659.70 and 228,478.20

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Solution

The fourth proportional to 938,448.60, 1,407,659.70 and 228,478.20 is: 342,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,448.60 : 1,407,659.70 = 228,478.20 : x
  2. Step 2: Convert to fraction form
    938,448.60/1,407,659.70 = 228,478.20/x
  3. Step 3: Cross multiply
    938,448.60x = 1,407,659.70 × 228,478.20
  4. Step 4: Simplify right side
    938,448.60x = 321,619,554,468.54
  5. Step 5: Solve for x
    x = 321,619,554,468.54/938,448.60
  6. Step 6: Final answer
    x = 342,714.09

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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.