Home / 761,331.39-1,141,997.94-228,852.42

Finding the Fourth Proportional to 761,331.39, 1,141,997.94 and 228,852.42

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Solution

The fourth proportional to 761,331.39, 1,141,997.94 and 228,852.42 is: 343,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,331.39 : 1,141,997.94 = 228,852.42 : x
  2. Step 2: Convert to fraction form
    761,331.39/1,141,997.94 = 228,852.42/x
  3. Step 3: Cross multiply
    761,331.39x = 1,141,997.94 × 228,852.42
  4. Step 4: Simplify right side
    761,331.39x = 261,348,992,204.02
  5. Step 5: Solve for x
    x = 261,348,992,204.02/761,331.39
  6. Step 6: Final answer
    x = 343,278.89

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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.