Home / 699,516.34-1,049,273.58-279,087.46

Finding the Fourth Proportional to 699,516.34, 1,049,273.58 and 279,087.46

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Solution

The fourth proportional to 699,516.34, 1,049,273.58 and 279,087.46 is: 418,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,516.34 : 1,049,273.58 = 279,087.46 : x
  2. Step 2: Convert to fraction form
    699,516.34/1,049,273.58 = 279,087.46/x
  3. Step 3: Cross multiply
    699,516.34x = 1,049,273.58 × 279,087.46
  4. Step 4: Simplify right side
    699,516.34x = 292,839,098,287.31
  5. Step 5: Solve for x
    x = 292,839,098,287.31/699,516.34
  6. Step 6: Final answer
    x = 418,630.82

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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.