Home / 695,059.02-1,042,741.35-395,679.78

Finding the Fourth Proportional to 695,059.02, 1,042,741.35 and 395,679.78

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Solution

The fourth proportional to 695,059.02, 1,042,741.35 and 395,679.78 is: 593,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,059.02 : 1,042,741.35 = 395,679.78 : x
  2. Step 2: Convert to fraction form
    695,059.02/1,042,741.35 = 395,679.78/x
  3. Step 3: Cross multiply
    695,059.02x = 1,042,741.35 × 395,679.78
  4. Step 4: Simplify right side
    695,059.02x = 412,591,667,964.90
  5. Step 5: Solve for x
    x = 412,591,667,964.90/695,059.02
  6. Step 6: Final answer
    x = 593,606.67

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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.