Home / 848,392.38-1,272,635.65-279,750.51

Finding the Fourth Proportional to 848,392.38, 1,272,635.65 and 279,750.51

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Solution

The fourth proportional to 848,392.38, 1,272,635.65 and 279,750.51 is: 419,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,392.38 : 1,272,635.65 = 279,750.51 : x
  2. Step 2: Convert to fraction form
    848,392.38/1,272,635.65 = 279,750.51/x
  3. Step 3: Cross multiply
    848,392.38x = 1,272,635.65 × 279,750.51
  4. Step 4: Simplify right side
    848,392.38x = 356,020,472,481.37
  5. Step 5: Solve for x
    x = 356,020,472,481.37/848,392.38
  6. Step 6: Final answer
    x = 419,641.29

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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.