Home / 724,376.98-1,086,570.78-274,976.74

Finding the Fourth Proportional to 724,376.98, 1,086,570.78 and 274,976.74

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Solution

The fourth proportional to 724,376.98, 1,086,570.78 and 274,976.74 is: 412,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,376.98 : 1,086,570.78 = 274,976.74 : x
  2. Step 2: Convert to fraction form
    724,376.98/1,086,570.78 = 274,976.74/x
  3. Step 3: Cross multiply
    724,376.98x = 1,086,570.78 × 274,976.74
  4. Step 4: Simplify right side
    724,376.98x = 298,781,690,863.66
  5. Step 5: Solve for x
    x = 298,781,690,863.66/724,376.98
  6. Step 6: Final answer
    x = 412,467.13

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1.5x scale

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.