Home / 848,087.87-1,272,257.76-279,363.92

Finding the Fourth Proportional to 848,087.87, 1,272,257.76 and 279,363.92

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Solution

The fourth proportional to 848,087.87, 1,272,257.76 and 279,363.92 is: 419,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,087.87 : 1,272,257.76 = 279,363.92 : x
  2. Step 2: Convert to fraction form
    848,087.87/1,272,257.76 = 279,363.92/x
  3. Step 3: Cross multiply
    848,087.87x = 1,272,257.76 × 279,363.92
  4. Step 4: Simplify right side
    848,087.87x = 355,422,915,084.02
  5. Step 5: Solve for x
    x = 355,422,915,084.02/848,087.87
  6. Step 6: Final answer
    x = 419,087.37

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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.