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Finding the Fourth Proportional to 513,748.08, 770,115.96 and 300,245.04

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Solution

The fourth proportional to 513,748.08, 770,115.96 and 300,245.04 is: 450,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,748.08 : 770,115.96 = 300,245.04 : x
  2. Step 2: Convert to fraction form
    513,748.08/770,115.96 = 300,245.04/x
  3. Step 3: Cross multiply
    513,748.08x = 770,115.96 × 300,245.04
  4. Step 4: Simplify right side
    513,748.08x = 231,223,497,214.84
  5. Step 5: Solve for x
    x = 231,223,497,214.84/513,748.08
  6. Step 6: Final answer
    x = 450,071.75

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1.5x scale

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.