Home / 476,728.58-657,724.82-269,968.64

Finding the Fourth Proportional to 476,728.58, 657,724.82 and 269,968.64

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Solution

The fourth proportional to 476,728.58, 657,724.82 and 269,968.64 is: 372,465.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,728.58 : 657,724.82 = 269,968.64 : x
  2. Step 2: Convert to fraction form
    476,728.58/657,724.82 = 269,968.64/x
  3. Step 3: Cross multiply
    476,728.58x = 657,724.82 × 269,968.64
  4. Step 4: Simplify right side
    476,728.58x = 177,565,075,149.65
  5. Step 5: Solve for x
    x = 177,565,075,149.65/476,728.58
  6. Step 6: Final answer
    x = 372,465.76

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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.