Home / 727,168.35-1,090,062.41-253,726.59

Finding the Fourth Proportional to 727,168.35, 1,090,062.41 and 253,726.59

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Solution

The fourth proportional to 727,168.35, 1,090,062.41 and 253,726.59 is: 380,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,168.35 : 1,090,062.41 = 253,726.59 : x
  2. Step 2: Convert to fraction form
    727,168.35/1,090,062.41 = 253,726.59/x
  3. Step 3: Cross multiply
    727,168.35x = 1,090,062.41 × 253,726.59
  4. Step 4: Simplify right side
    727,168.35x = 276,577,816,907.85
  5. Step 5: Solve for x
    x = 276,577,816,907.85/727,168.35
  6. Step 6: Final answer
    x = 380,349.09

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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.