Home / 938,470.40-1,407,705.60-228,492.80

Finding the Fourth Proportional to 938,470.40, 1,407,705.60 and 228,492.80

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Solution

The fourth proportional to 938,470.40, 1,407,705.60 and 228,492.80 is: 342,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,470.40 : 1,407,705.60 = 228,492.80 : x
  2. Step 2: Convert to fraction form
    938,470.40/1,407,705.60 = 228,492.80/x
  3. Step 3: Cross multiply
    938,470.40x = 1,407,705.60 × 228,492.80
  4. Step 4: Simplify right side
    938,470.40x = 321,650,594,119.68
  5. Step 5: Solve for x
    x = 321,650,594,119.68/938,470.40
  6. Step 6: Final answer
    x = 342,739.20

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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.