Home / 460,265.09-635,362.38-309,449.57

Finding the Fourth Proportional to 460,265.09, 635,362.38 and 309,449.57

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Solution

The fourth proportional to 460,265.09, 635,362.38 and 309,449.57 is: 427,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,265.09 : 635,362.38 = 309,449.57 : x
  2. Step 2: Convert to fraction form
    460,265.09/635,362.38 = 309,449.57/x
  3. Step 3: Cross multiply
    460,265.09x = 635,362.38 × 309,449.57
  4. Step 4: Simplify right side
    460,265.09x = 196,612,612,108.37
  5. Step 5: Solve for x
    x = 196,612,612,108.37/460,265.09
  6. Step 6: Final answer
    x = 427,172.55

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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.