Home / 692,396.48-1,038,490.82-219,020.33

Finding the Fourth Proportional to 692,396.48, 1,038,490.82 and 219,020.33

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Solution

The fourth proportional to 692,396.48, 1,038,490.82 and 219,020.33 is: 328,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,396.48 : 1,038,490.82 = 219,020.33 : x
  2. Step 2: Convert to fraction form
    692,396.48/1,038,490.82 = 219,020.33/x
  3. Step 3: Cross multiply
    692,396.48x = 1,038,490.82 × 219,020.33
  4. Step 4: Simplify right side
    692,396.48x = 227,450,600,526.48
  5. Step 5: Solve for x
    x = 227,450,600,526.48/692,396.48
  6. Step 6: Final answer
    x = 328,497.63

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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.