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Finding the Fourth Proportional to 569,323.48, 853,294.66 and 418,162.12

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Solution

The fourth proportional to 569,323.48, 853,294.66 and 418,162.12 is: 626,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,323.48 : 853,294.66 = 418,162.12 : x
  2. Step 2: Convert to fraction form
    569,323.48/853,294.66 = 418,162.12/x
  3. Step 3: Cross multiply
    569,323.48x = 853,294.66 × 418,162.12
  4. Step 4: Simplify right side
    569,323.48x = 356,815,504,010.28
  5. Step 5: Solve for x
    x = 356,815,504,010.28/569,323.48
  6. Step 6: Final answer
    x = 626,735.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.