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Finding the Fourth Proportional to 521,361.96, 719,490.60 and 295,007.46

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Solution

The fourth proportional to 521,361.96, 719,490.60 and 295,007.46 is: 407,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,361.96 : 719,490.60 = 295,007.46 : x
  2. Step 2: Convert to fraction form
    521,361.96/719,490.60 = 295,007.46/x
  3. Step 3: Cross multiply
    521,361.96x = 719,490.60 × 295,007.46
  4. Step 4: Simplify right side
    521,361.96x = 212,255,094,399.88
  5. Step 5: Solve for x
    x = 212,255,094,399.88/521,361.96
  6. Step 6: Final answer
    x = 407,116.57

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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.