Home / 790,383.84-1,185,578.78-191,344.02

Finding the Fourth Proportional to 790,383.84, 1,185,578.78 and 191,344.02

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Solution

The fourth proportional to 790,383.84, 1,185,578.78 and 191,344.02 is: 287,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,383.84 : 1,185,578.78 = 191,344.02 : x
  2. Step 2: Convert to fraction form
    790,383.84/1,185,578.78 = 191,344.02/x
  3. Step 3: Cross multiply
    790,383.84x = 1,185,578.78 × 191,344.02
  4. Step 4: Simplify right side
    790,383.84x = 226,853,408,835.18
  5. Step 5: Solve for x
    x = 226,853,408,835.18/790,383.84
  6. Step 6: Final answer
    x = 287,016.76

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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.