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Finding the Fourth Proportional to 557,858.82, 769,850.27 and 303,210.62

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Solution

The fourth proportional to 557,858.82, 769,850.27 and 303,210.62 is: 418,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,858.82 : 769,850.27 = 303,210.62 : x
  2. Step 2: Convert to fraction form
    557,858.82/769,850.27 = 303,210.62/x
  3. Step 3: Cross multiply
    557,858.82x = 769,850.27 × 303,210.62
  4. Step 4: Simplify right side
    557,858.82x = 233,426,777,673.87
  5. Step 5: Solve for x
    x = 233,426,777,673.87/557,858.82
  6. Step 6: Final answer
    x = 418,433.43

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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.