Home / 805,374.24-1,208,033.40-206,340.36

Finding the Fourth Proportional to 805,374.24, 1,208,033.40 and 206,340.36

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Solution

The fourth proportional to 805,374.24, 1,208,033.40 and 206,340.36 is: 309,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,374.24 : 1,208,033.40 = 206,340.36 : x
  2. Step 2: Convert to fraction form
    805,374.24/1,208,033.40 = 206,340.36/x
  3. Step 3: Cross multiply
    805,374.24x = 1,208,033.40 × 206,340.36
  4. Step 4: Simplify right side
    805,374.24x = 249,266,046,648.02
  5. Step 5: Solve for x
    x = 249,266,046,648.02/805,374.24
  6. Step 6: Final answer
    x = 309,503.38

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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.