Home / 790,426.31-1,185,853.30-285,043.41

Finding the Fourth Proportional to 790,426.31, 1,185,853.30 and 285,043.41

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Solution

The fourth proportional to 790,426.31, 1,185,853.30 and 285,043.41 is: 427,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,426.31 : 1,185,853.30 = 285,043.41 : x
  2. Step 2: Convert to fraction form
    790,426.31/1,185,853.30 = 285,043.41/x
  3. Step 3: Cross multiply
    790,426.31x = 1,185,853.30 × 285,043.41
  4. Step 4: Simplify right side
    790,426.31x = 338,019,668,391.75
  5. Step 5: Solve for x
    x = 338,019,668,391.75/790,426.31
  6. Step 6: Final answer
    x = 427,642.23

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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.