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Finding the Fourth Proportional to 521,342.26, 719,463.26 and 294,987.76

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Solution

The fourth proportional to 521,342.26, 719,463.26 and 294,987.76 is: 407,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,342.26 : 719,463.26 = 294,987.76 : x
  2. Step 2: Convert to fraction form
    521,342.26/719,463.26 = 294,987.76/x
  3. Step 3: Cross multiply
    521,342.26x = 719,463.26 × 294,987.76
  4. Step 4: Simplify right side
    521,342.26x = 212,232,850,397.44
  5. Step 5: Solve for x
    x = 212,232,850,397.44/521,342.26
  6. Step 6: Final answer
    x = 407,089.29

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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.