Home / 807,584.20-1,211,376.30-274,928.20

Finding the Fourth Proportional to 807,584.20, 1,211,376.30 and 274,928.20

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Solution

The fourth proportional to 807,584.20, 1,211,376.30 and 274,928.20 is: 412,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,584.20 : 1,211,376.30 = 274,928.20 : x
  2. Step 2: Convert to fraction form
    807,584.20/1,211,376.30 = 274,928.20/x
  3. Step 3: Cross multiply
    807,584.20x = 1,211,376.30 × 274,928.20
  4. Step 4: Simplify right side
    807,584.20x = 333,041,505,681.66
  5. Step 5: Solve for x
    x = 333,041,505,681.66/807,584.20
  6. Step 6: Final answer
    x = 412,392.30

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Similar ratio
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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.