Home / 790,578.12-1,185,886.62-229,617.48

Finding the Fourth Proportional to 790,578.12, 1,185,886.62 and 229,617.48

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Solution

The fourth proportional to 790,578.12, 1,185,886.62 and 229,617.48 is: 344,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,578.12 : 1,185,886.62 = 229,617.48 : x
  2. Step 2: Convert to fraction form
    790,578.12/1,185,886.62 = 229,617.48/x
  3. Step 3: Cross multiply
    790,578.12x = 1,185,886.62 × 229,617.48
  4. Step 4: Simplify right side
    790,578.12x = 272,300,297,250.12
  5. Step 5: Solve for x
    x = 272,300,297,250.12/790,578.12
  6. Step 6: Final answer
    x = 344,431.87

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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.