Home / 479,838.20-719,329.52-243,059

Finding the Fourth Proportional to 479,838.20, 719,329.52 and 243,059

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Solution

The fourth proportional to 479,838.20, 719,329.52 and 243,059 is: 364,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,838.20 : 719,329.52 = 243,059 : x
  2. Step 2: Convert to fraction form
    479,838.20/719,329.52 = 243,059/x
  3. Step 3: Cross multiply
    479,838.20x = 719,329.52 × 243,059
  4. Step 4: Simplify right side
    479,838.20x = 174,839,513,801.68
  5. Step 5: Solve for x
    x = 174,839,513,801.68/479,838.20
  6. Step 6: Final answer
    x = 364,371.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.