Home / 457,209.44-631,021.32-275,947.28

Finding the Fourth Proportional to 457,209.44, 631,021.32 and 275,947.28

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Solution

The fourth proportional to 457,209.44, 631,021.32 and 275,947.28 is: 380,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,209.44 : 631,021.32 = 275,947.28 : x
  2. Step 2: Convert to fraction form
    457,209.44/631,021.32 = 275,947.28/x
  3. Step 3: Cross multiply
    457,209.44x = 631,021.32 × 275,947.28
  4. Step 4: Simplify right side
    457,209.44x = 174,128,616,876.01
  5. Step 5: Solve for x
    x = 174,128,616,876.01/457,209.44
  6. Step 6: Final answer
    x = 380,850.88

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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.