Home / 521,329.88-719,446.17-294,975.38

Finding the Fourth Proportional to 521,329.88, 719,446.17 and 294,975.38

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Solution

The fourth proportional to 521,329.88, 719,446.17 and 294,975.38 is: 407,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,329.88 : 719,446.17 = 294,975.38 : x
  2. Step 2: Convert to fraction form
    521,329.88/719,446.17 = 294,975.38/x
  3. Step 3: Cross multiply
    521,329.88x = 719,446.17 × 294,975.38
  4. Step 4: Simplify right side
    521,329.88x = 212,218,903,788.06
  5. Step 5: Solve for x
    x = 212,218,903,788.06/521,329.88
  6. Step 6: Final answer
    x = 407,072.21

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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.