Home / 851,887.28-1,175,626.68-464,709.31

Finding the Fourth Proportional to 851,887.28, 1,175,626.68 and 464,709.31

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Solution

The fourth proportional to 851,887.28, 1,175,626.68 and 464,709.31 is: 641,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,887.28 : 1,175,626.68 = 464,709.31 : x
  2. Step 2: Convert to fraction form
    851,887.28/1,175,626.68 = 464,709.31/x
  3. Step 3: Cross multiply
    851,887.28x = 1,175,626.68 × 464,709.31
  4. Step 4: Simplify right side
    851,887.28x = 546,324,663,280.39
  5. Step 5: Solve for x
    x = 546,324,663,280.39/851,887.28
  6. Step 6: Final answer
    x = 641,310.98

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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.