Home / 807,499.54-1,211,436.78-275,025.16

Finding the Fourth Proportional to 807,499.54, 1,211,436.78 and 275,025.16

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Solution

The fourth proportional to 807,499.54, 1,211,436.78 and 275,025.16 is: 412,601.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,499.54 : 1,211,436.78 = 275,025.16 : x
  2. Step 2: Convert to fraction form
    807,499.54/1,211,436.78 = 275,025.16/x
  3. Step 3: Cross multiply
    807,499.54x = 1,211,436.78 × 275,025.16
  4. Step 4: Simplify right side
    807,499.54x = 333,175,594,249.39
  5. Step 5: Solve for x
    x = 333,175,594,249.39/807,499.54
  6. Step 6: Final answer
    x = 412,601.59

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Double scale
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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.