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Finding the Fourth Proportional to 539,723.88, 744,804.74 and 298,001.26

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Solution

The fourth proportional to 539,723.88, 744,804.74 and 298,001.26 is: 411,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,723.88 : 744,804.74 = 298,001.26 : x
  2. Step 2: Convert to fraction form
    539,723.88/744,804.74 = 298,001.26/x
  3. Step 3: Cross multiply
    539,723.88x = 744,804.74 × 298,001.26
  4. Step 4: Simplify right side
    539,723.88x = 221,952,750,973.97
  5. Step 5: Solve for x
    x = 221,952,750,973.97/539,723.88
  6. Step 6: Final answer
    x = 411,233.89

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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.