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Finding the Fourth Proportional to 557,674.85, 769,589.80 and 303,026.04

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Solution

The fourth proportional to 557,674.85, 769,589.80 and 303,026.04 is: 418,175.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,674.85 : 769,589.80 = 303,026.04 : x
  2. Step 2: Convert to fraction form
    557,674.85/769,589.80 = 303,026.04/x
  3. Step 3: Cross multiply
    557,674.85x = 769,589.80 × 303,026.04
  4. Step 4: Simplify right side
    557,674.85x = 233,205,748,760.83
  5. Step 5: Solve for x
    x = 233,205,748,760.83/557,674.85
  6. Step 6: Final answer
    x = 418,175.12

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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.