Home / 790,515.31-1,185,805.79-229,549.81

Finding the Fourth Proportional to 790,515.31, 1,185,805.79 and 229,549.81

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Solution

The fourth proportional to 790,515.31, 1,185,805.79 and 229,549.81 is: 344,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,515.31 : 1,185,805.79 = 229,549.81 : x
  2. Step 2: Convert to fraction form
    790,515.31/1,185,805.79 = 229,549.81/x
  3. Step 3: Cross multiply
    790,515.31x = 1,185,805.79 × 229,549.81
  4. Step 4: Simplify right side
    790,515.31x = 272,201,493,791.40
  5. Step 5: Solve for x
    x = 272,201,493,791.40/790,515.31
  6. Step 6: Final answer
    x = 344,334.25

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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.