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Finding the Fourth Proportional to 557,846.56, 769,832.94 and 303,197.68

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Solution

The fourth proportional to 557,846.56, 769,832.94 and 303,197.68 is: 418,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,846.56 : 769,832.94 = 303,197.68 : x
  2. Step 2: Convert to fraction form
    557,846.56/769,832.94 = 303,197.68/x
  3. Step 3: Cross multiply
    557,846.56x = 769,832.94 × 303,197.68
  4. Step 4: Simplify right side
    557,846.56x = 233,411,561,395.58
  5. Step 5: Solve for x
    x = 233,411,561,395.58/557,846.56
  6. Step 6: Final answer
    x = 418,415.35

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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.