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Finding the Fourth Proportional to 569,145.10, 853,717.65 and 536,485.90

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Solution

The fourth proportional to 569,145.10, 853,717.65 and 536,485.90 is: 804,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,145.10 : 853,717.65 = 536,485.90 : x
  2. Step 2: Convert to fraction form
    569,145.10/853,717.65 = 536,485.90/x
  3. Step 3: Cross multiply
    569,145.10x = 853,717.65 × 536,485.90
  4. Step 4: Simplify right side
    569,145.10x = 458,007,481,806.14
  5. Step 5: Solve for x
    x = 458,007,481,806.14/569,145.10
  6. Step 6: Final answer
    x = 804,728.85

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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.