Home / 498,289.46-687,629.86-271,936.58

Finding the Fourth Proportional to 498,289.46, 687,629.86 and 271,936.58

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Solution

The fourth proportional to 498,289.46, 687,629.86 and 271,936.58 is: 375,267.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,289.46 : 687,629.86 = 271,936.58 : x
  2. Step 2: Convert to fraction form
    498,289.46/687,629.86 = 271,936.58/x
  3. Step 3: Cross multiply
    498,289.46x = 687,629.86 × 271,936.58
  4. Step 4: Simplify right side
    498,289.46x = 186,991,708,316.29
  5. Step 5: Solve for x
    x = 186,991,708,316.29/498,289.46
  6. Step 6: Final answer
    x = 375,267.24

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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.