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Finding the Fourth Proportional to 501,619.82, 692,255.32 and 275,273.42

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Solution

The fourth proportional to 501,619.82, 692,255.32 and 275,273.42 is: 379,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,619.82 : 692,255.32 = 275,273.42 : x
  2. Step 2: Convert to fraction form
    501,619.82/692,255.32 = 275,273.42/x
  3. Step 3: Cross multiply
    501,619.82x = 692,255.32 × 275,273.42
  4. Step 4: Simplify right side
    501,619.82x = 190,559,489,449.59
  5. Step 5: Solve for x
    x = 190,559,489,449.59/501,619.82
  6. Step 6: Final answer
    x = 379,888.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.