Home / 885,447.81-1,221,912.27-503,474.55

Finding the Fourth Proportional to 885,447.81, 1,221,912.27 and 503,474.55

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Solution

The fourth proportional to 885,447.81, 1,221,912.27 and 503,474.55 is: 694,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,447.81 : 1,221,912.27 = 503,474.55 : x
  2. Step 2: Convert to fraction form
    885,447.81/1,221,912.27 = 503,474.55/x
  3. Step 3: Cross multiply
    885,447.81x = 1,221,912.27 × 503,474.55
  4. Step 4: Simplify right side
    885,447.81x = 615,201,730,277.73
  5. Step 5: Solve for x
    x = 615,201,730,277.73/885,447.81
  6. Step 6: Final answer
    x = 694,791.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.