Home / 851,394.85-1,174,902.87-464,217.48

Finding the Fourth Proportional to 851,394.85, 1,174,902.87 and 464,217.48

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Solution

The fourth proportional to 851,394.85, 1,174,902.87 and 464,217.48 is: 640,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,394.85 : 1,174,902.87 = 464,217.48 : x
  2. Step 2: Convert to fraction form
    851,394.85/1,174,902.87 = 464,217.48/x
  3. Step 3: Cross multiply
    851,394.85x = 1,174,902.87 × 464,217.48
  4. Step 4: Simplify right side
    851,394.85x = 545,410,451,296.98
  5. Step 5: Solve for x
    x = 545,410,451,296.98/851,394.85
  6. Step 6: Final answer
    x = 640,608.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.