Home / 476,668.32-657,527.58-285,571.02

Finding the Fourth Proportional to 476,668.32, 657,527.58 and 285,571.02

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Solution

The fourth proportional to 476,668.32, 657,527.58 and 285,571.02 is: 393,923.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,668.32 : 657,527.58 = 285,571.02 : x
  2. Step 2: Convert to fraction form
    476,668.32/657,527.58 = 285,571.02/x
  3. Step 3: Cross multiply
    476,668.32x = 657,527.58 × 285,571.02
  4. Step 4: Simplify right side
    476,668.32x = 187,770,821,698.73
  5. Step 5: Solve for x
    x = 187,770,821,698.73/476,668.32
  6. Step 6: Final answer
    x = 393,923.43

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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.