Home / 476,078.46-656,999.75-261,218.36

Finding the Fourth Proportional to 476,078.46, 656,999.75 and 261,218.36

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Solution

The fourth proportional to 476,078.46, 656,999.75 and 261,218.36 is: 360,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,078.46 : 656,999.75 = 261,218.36 : x
  2. Step 2: Convert to fraction form
    476,078.46/656,999.75 = 261,218.36/x
  3. Step 3: Cross multiply
    476,078.46x = 656,999.75 × 261,218.36
  4. Step 4: Simplify right side
    476,078.46x = 171,620,393,054.73
  5. Step 5: Solve for x
    x = 171,620,393,054.73/476,078.46
  6. Step 6: Final answer
    x = 360,487.62

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1.5x scale

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.