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Finding the Fourth Proportional to 610,900.27, 843,042.13 and 356,202.25

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Solution

The fourth proportional to 610,900.27, 843,042.13 and 356,202.25 is: 491,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,900.27 : 843,042.13 = 356,202.25 : x
  2. Step 2: Convert to fraction form
    610,900.27/843,042.13 = 356,202.25/x
  3. Step 3: Cross multiply
    610,900.27x = 843,042.13 × 356,202.25
  4. Step 4: Simplify right side
    610,900.27x = 300,293,503,550.79
  5. Step 5: Solve for x
    x = 300,293,503,550.79/610,900.27
  6. Step 6: Final answer
    x = 491,558.96

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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.