Home / 692,238-1,038,469.32-271,285.68

Finding the Fourth Proportional to 692,238, 1,038,469.32 and 271,285.68

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Solution

The fourth proportional to 692,238, 1,038,469.32 and 271,285.68 is: 406,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,238 : 1,038,469.32 = 271,285.68 : x
  2. Step 2: Convert to fraction form
    692,238/1,038,469.32 = 271,285.68/x
  3. Step 3: Cross multiply
    692,238x = 1,038,469.32 × 271,285.68
  4. Step 4: Simplify right side
    692,238x = 281,721,855,635.34
  5. Step 5: Solve for x
    x = 281,721,855,635.34/692,238
  6. Step 6: Final answer
    x = 406,972.54

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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.