Home / 489,764.00-675,837.24-274,862.57

Finding the Fourth Proportional to 489,764.00, 675,837.24 and 274,862.57

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Solution

The fourth proportional to 489,764.00, 675,837.24 and 274,862.57 is: 379,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,764.00 : 675,837.24 = 274,862.57 : x
  2. Step 2: Convert to fraction form
    489,764.00/675,837.24 = 274,862.57/x
  3. Step 3: Cross multiply
    489,764.00x = 675,837.24 × 274,862.57
  4. Step 4: Simplify right side
    489,764.00x = 185,762,356,278.19
  5. Step 5: Solve for x
    x = 185,762,356,278.19/489,764.00
  6. Step 6: Final answer
    x = 379,289.53

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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.