Home / 938,331.32-1,407,497.14-228,359.37

Finding the Fourth Proportional to 938,331.32, 1,407,497.14 and 228,359.37

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Solution

The fourth proportional to 938,331.32, 1,407,497.14 and 228,359.37 is: 342,539.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,331.32 : 1,407,497.14 = 228,359.37 : x
  2. Step 2: Convert to fraction form
    938,331.32/1,407,497.14 = 228,359.37/x
  3. Step 3: Cross multiply
    938,331.32x = 1,407,497.14 × 228,359.37
  4. Step 4: Simplify right side
    938,331.32x = 321,415,160,167.20
  5. Step 5: Solve for x
    x = 321,415,160,167.20/938,331.32
  6. Step 6: Final answer
    x = 342,539.09

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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.