Home / 476,815.73-657,840.25-304,834.36

Finding the Fourth Proportional to 476,815.73, 657,840.25 and 304,834.36

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Solution

The fourth proportional to 476,815.73, 657,840.25 and 304,834.36 is: 420,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,815.73 : 657,840.25 = 304,834.36 : x
  2. Step 2: Convert to fraction form
    476,815.73/657,840.25 = 304,834.36/x
  3. Step 3: Cross multiply
    476,815.73x = 657,840.25 × 304,834.36
  4. Step 4: Simplify right side
    476,815.73x = 200,532,310,066.82
  5. Step 5: Solve for x
    x = 200,532,310,066.82/476,815.73
  6. Step 6: Final answer
    x = 420,565.64

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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.