Home / 620,629.44-931,017.06-221,326.98

Finding the Fourth Proportional to 620,629.44, 931,017.06 and 221,326.98

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Solution

The fourth proportional to 620,629.44, 931,017.06 and 221,326.98 is: 332,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,629.44 : 931,017.06 = 221,326.98 : x
  2. Step 2: Convert to fraction form
    620,629.44/931,017.06 = 221,326.98/x
  3. Step 3: Cross multiply
    620,629.44x = 931,017.06 × 221,326.98
  4. Step 4: Simplify right side
    620,629.44x = 206,059,194,218.28
  5. Step 5: Solve for x
    x = 206,059,194,218.28/620,629.44
  6. Step 6: Final answer
    x = 332,016.47

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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.