Home / 719,519.61-1,079,091.30-213,944.43

Finding the Fourth Proportional to 719,519.61, 1,079,091.30 and 213,944.43

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Solution

The fourth proportional to 719,519.61, 1,079,091.30 and 213,944.43 is: 320,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,519.61 : 1,079,091.30 = 213,944.43 : x
  2. Step 2: Convert to fraction form
    719,519.61/1,079,091.30 = 213,944.43/x
  3. Step 3: Cross multiply
    719,519.61x = 1,079,091.30 × 213,944.43
  4. Step 4: Simplify right side
    719,519.61x = 230,865,573,096.46
  5. Step 5: Solve for x
    x = 230,865,573,096.46/719,519.61
  6. Step 6: Final answer
    x = 320,860.71

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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.