Home / 785,147.52-1,175,259.96-540,561.64

Finding the Fourth Proportional to 785,147.52, 1,175,259.96 and 540,561.64

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Solution

The fourth proportional to 785,147.52, 1,175,259.96 and 540,561.64 is: 809,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,147.52 : 1,175,259.96 = 540,561.64 : x
  2. Step 2: Convert to fraction form
    785,147.52/1,175,259.96 = 540,561.64/x
  3. Step 3: Cross multiply
    785,147.52x = 1,175,259.96 × 540,561.64
  4. Step 4: Simplify right side
    785,147.52x = 635,300,451,403.94
  5. Step 5: Solve for x
    x = 635,300,451,403.94/785,147.52
  6. Step 6: Final answer
    x = 809,147.88

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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.