Home / 851,259.68-1,277,077.44-252,268.64

Finding the Fourth Proportional to 851,259.68, 1,277,077.44 and 252,268.64

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Solution

The fourth proportional to 851,259.68, 1,277,077.44 and 252,268.64 is: 378,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,259.68 : 1,277,077.44 = 252,268.64 : x
  2. Step 2: Convert to fraction form
    851,259.68/1,277,077.44 = 252,268.64/x
  3. Step 3: Cross multiply
    851,259.68x = 1,277,077.44 × 252,268.64
  4. Step 4: Simplify right side
    851,259.68x = 322,166,588,963.48
  5. Step 5: Solve for x
    x = 322,166,588,963.48/851,259.68
  6. Step 6: Final answer
    x = 378,458.65

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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.