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Finding the Fourth Proportional to 569,114.70, 853,672.05 and 303,394.20

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Solution

The fourth proportional to 569,114.70, 853,672.05 and 303,394.20 is: 455,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,114.70 : 853,672.05 = 303,394.20 : x
  2. Step 2: Convert to fraction form
    569,114.70/853,672.05 = 303,394.20/x
  3. Step 3: Cross multiply
    569,114.70x = 853,672.05 × 303,394.20
  4. Step 4: Simplify right side
    569,114.70x = 258,999,148,672.11
  5. Step 5: Solve for x
    x = 258,999,148,672.11/569,114.70
  6. Step 6: Final answer
    x = 455,091.30

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Similar ratio
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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.