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Finding the Fourth Proportional to 404,698.35, 558,480.30 and 223,406.39

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Solution

The fourth proportional to 404,698.35, 558,480.30 and 223,406.39 is: 308,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,698.35 : 558,480.30 = 223,406.39 : x
  2. Step 2: Convert to fraction form
    404,698.35/558,480.30 = 223,406.39/x
  3. Step 3: Cross multiply
    404,698.35x = 558,480.30 × 223,406.39
  4. Step 4: Simplify right side
    404,698.35x = 124,768,067,709.12
  5. Step 5: Solve for x
    x = 124,768,067,709.12/404,698.35
  6. Step 6: Final answer
    x = 308,298.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.