Home / 476,716.74-657,594.27-285,619.42

Finding the Fourth Proportional to 476,716.74, 657,594.27 and 285,619.42

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Solution

The fourth proportional to 476,716.74, 657,594.27 and 285,619.42 is: 393,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,716.74 : 657,594.27 = 285,619.42 : x
  2. Step 2: Convert to fraction form
    476,716.74/657,594.27 = 285,619.42/x
  3. Step 3: Cross multiply
    476,716.74x = 657,594.27 × 285,619.42
  4. Step 4: Simplify right side
    476,716.74x = 187,821,691,919.05
  5. Step 5: Solve for x
    x = 187,821,691,919.05/476,716.74
  6. Step 6: Final answer
    x = 393,990.13

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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.