Home / 692,227.56-1,038,334.42-218,913

Finding the Fourth Proportional to 692,227.56, 1,038,334.42 and 218,913

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Solution

The fourth proportional to 692,227.56, 1,038,334.42 and 218,913 is: 328,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,227.56 : 1,038,334.42 = 218,913 : x
  2. Step 2: Convert to fraction form
    692,227.56/1,038,334.42 = 218,913/x
  3. Step 3: Cross multiply
    692,227.56x = 1,038,334.42 × 218,913
  4. Step 4: Simplify right side
    692,227.56x = 227,304,902,885.46
  5. Step 5: Solve for x
    x = 227,304,902,885.46/692,227.56
  6. Step 6: Final answer
    x = 328,367.31

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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.