Home / 848,422.10-1,272,362.67-279,697.20

Finding the Fourth Proportional to 848,422.10, 1,272,362.67 and 279,697.20

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Solution

The fourth proportional to 848,422.10, 1,272,362.67 and 279,697.20 is: 419,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,422.10 : 1,272,362.67 = 279,697.20 : x
  2. Step 2: Convert to fraction form
    848,422.10/1,272,362.67 = 279,697.20/x
  3. Step 3: Cross multiply
    848,422.10x = 1,272,362.67 × 279,697.20
  4. Step 4: Simplify right side
    848,422.10x = 355,876,276,183.52
  5. Step 5: Solve for x
    x = 355,876,276,183.52/848,422.10
  6. Step 6: Final answer
    x = 419,456.63

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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.