Home / 404,912.04-558,782.82-223,628.57

Finding the Fourth Proportional to 404,912.04, 558,782.82 and 223,628.57

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Solution

The fourth proportional to 404,912.04, 558,782.82 and 223,628.57 is: 308,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,912.04 : 558,782.82 = 223,628.57 : x
  2. Step 2: Convert to fraction form
    404,912.04/558,782.82 = 223,628.57/x
  3. Step 3: Cross multiply
    404,912.04x = 558,782.82 × 223,628.57
  4. Step 4: Simplify right side
    404,912.04x = 124,959,802,977.17
  5. Step 5: Solve for x
    x = 124,959,802,977.17/404,912.04
  6. Step 6: Final answer
    x = 308,609.75

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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.