Home / 665,460.34-997,764.90-395,516.46

Finding the Fourth Proportional to 665,460.34, 997,764.90 and 395,516.46

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Solution

The fourth proportional to 665,460.34, 997,764.90 and 395,516.46 is: 593,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,460.34 : 997,764.90 = 395,516.46 : x
  2. Step 2: Convert to fraction form
    665,460.34/997,764.90 = 395,516.46/x
  3. Step 3: Cross multiply
    665,460.34x = 997,764.90 × 395,516.46
  4. Step 4: Simplify right side
    665,460.34x = 394,632,441,160.25
  5. Step 5: Solve for x
    x = 394,632,441,160.25/665,460.34
  6. Step 6: Final answer
    x = 593,021.73

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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.