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Finding the Fourth Proportional to 557,850.16, 769,839.24 and 303,201.40

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Solution

The fourth proportional to 557,850.16, 769,839.24 and 303,201.40 is: 418,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,850.16 : 769,839.24 = 303,201.40 : x
  2. Step 2: Convert to fraction form
    557,850.16/769,839.24 = 303,201.40/x
  3. Step 3: Cross multiply
    557,850.16x = 769,839.24 × 303,201.40
  4. Step 4: Simplify right side
    557,850.16x = 233,416,335,342.94
  5. Step 5: Solve for x
    x = 233,416,335,342.94/557,850.16
  6. Step 6: Final answer
    x = 418,421.20

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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.