Home / 489,732.59-675,835.98-274,868.35

Finding the Fourth Proportional to 489,732.59, 675,835.98 and 274,868.35

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Solution

The fourth proportional to 489,732.59, 675,835.98 and 274,868.35 is: 379,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,732.59 : 675,835.98 = 274,868.35 : x
  2. Step 2: Convert to fraction form
    489,732.59/675,835.98 = 274,868.35/x
  3. Step 3: Cross multiply
    489,732.59x = 675,835.98 × 274,868.35
  4. Step 4: Simplify right side
    489,732.59x = 185,765,917,314.05
  5. Step 5: Solve for x
    x = 185,765,917,314.05/489,732.59
  6. Step 6: Final answer
    x = 379,321.13

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1.5x scale

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.