Home / 521,298.62-719,178.26-317,185.92

Finding the Fourth Proportional to 521,298.62, 719,178.26 and 317,185.92

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Solution

The fourth proportional to 521,298.62, 719,178.26 and 317,185.92 is: 437,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,298.62 : 719,178.26 = 317,185.92 : x
  2. Step 2: Convert to fraction form
    521,298.62/719,178.26 = 317,185.92/x
  3. Step 3: Cross multiply
    521,298.62x = 719,178.26 × 317,185.92
  4. Step 4: Simplify right side
    521,298.62x = 228,113,218,042.10
  5. Step 5: Solve for x
    x = 228,113,218,042.10/521,298.62
  6. Step 6: Final answer
    x = 437,586.46

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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.