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Finding the Fourth Proportional to 557,883, 769,879.44 and 303,233.58

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Solution

The fourth proportional to 557,883, 769,879.44 and 303,233.58 is: 418,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,883 : 769,879.44 = 303,233.58 : x
  2. Step 2: Convert to fraction form
    557,883/769,879.44 = 303,233.58/x
  3. Step 3: Cross multiply
    557,883x = 769,879.44 × 303,233.58
  4. Step 4: Simplify right side
    557,883x = 233,453,298,759.60
  5. Step 5: Solve for x
    x = 233,453,298,759.60/557,883
  6. Step 6: Final answer
    x = 418,462.83

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1.5x scale

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.