Home / 938,260.84-1,407,392.22-228,288.84

Finding the Fourth Proportional to 938,260.84, 1,407,392.22 and 228,288.84

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Solution

The fourth proportional to 938,260.84, 1,407,392.22 and 228,288.84 is: 342,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,260.84 : 1,407,392.22 = 228,288.84 : x
  2. Step 2: Convert to fraction form
    938,260.84/1,407,392.22 = 228,288.84/x
  3. Step 3: Cross multiply
    938,260.84x = 1,407,392.22 × 228,288.84
  4. Step 4: Simplify right side
    938,260.84x = 321,291,937,328.83
  5. Step 5: Solve for x
    x = 321,291,937,328.83/938,260.84
  6. Step 6: Final answer
    x = 342,433.49

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Double scale
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Similar ratio
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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.