Home / 848,837.43-1,273,382.75-280,278.60

Finding the Fourth Proportional to 848,837.43, 1,273,382.75 and 280,278.60

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Solution

The fourth proportional to 848,837.43, 1,273,382.75 and 280,278.60 is: 420,459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,837.43 : 1,273,382.75 = 280,278.60 : x
  2. Step 2: Convert to fraction form
    848,837.43/1,273,382.75 = 280,278.60/x
  3. Step 3: Cross multiply
    848,837.43x = 1,273,382.75 × 280,278.60
  4. Step 4: Simplify right side
    848,837.43x = 356,901,926,665.84
  5. Step 5: Solve for x
    x = 356,901,926,665.84/848,837.43
  6. Step 6: Final answer
    x = 420,459.69

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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.