Home / 694,777.30-1,042,059.40-189,378.95

Finding the Fourth Proportional to 694,777.30, 1,042,059.40 and 189,378.95

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Solution

The fourth proportional to 694,777.30, 1,042,059.40 and 189,378.95 is: 284,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,777.30 : 1,042,059.40 = 189,378.95 : x
  2. Step 2: Convert to fraction form
    694,777.30/1,042,059.40 = 189,378.95/x
  3. Step 3: Cross multiply
    694,777.30x = 1,042,059.40 × 189,378.95
  4. Step 4: Simplify right side
    694,777.30x = 197,344,109,325.89
  5. Step 5: Solve for x
    x = 197,344,109,325.89/694,777.30
  6. Step 6: Final answer
    x = 284,039.37

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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.