Home / 790,589.12-1,185,903.14-229,628.48

Finding the Fourth Proportional to 790,589.12, 1,185,903.14 and 229,628.48

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Solution

The fourth proportional to 790,589.12, 1,185,903.14 and 229,628.48 is: 344,448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,589.12 : 1,185,903.14 = 229,628.48 : x
  2. Step 2: Convert to fraction form
    790,589.12/1,185,903.14 = 229,628.48/x
  3. Step 3: Cross multiply
    790,589.12x = 1,185,903.14 × 229,628.48
  4. Step 4: Simplify right side
    790,589.12x = 272,317,135,465.43
  5. Step 5: Solve for x
    x = 272,317,135,465.43/790,589.12
  6. Step 6: Final answer
    x = 344,448.37

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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.