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Finding the Fourth Proportional to 803,149.86, 1,204,728.89 and 270,675.50

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Solution

The fourth proportional to 803,149.86, 1,204,728.89 and 270,675.50 is: 406,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,149.86 : 1,204,728.89 = 270,675.50 : x
  2. Step 2: Convert to fraction form
    803,149.86/1,204,728.89 = 270,675.50/x
  3. Step 3: Cross multiply
    803,149.86x = 1,204,728.89 × 270,675.50
  4. Step 4: Simplify right side
    803,149.86x = 326,090,598,975.62
  5. Step 5: Solve for x
    x = 326,090,598,975.62/803,149.86
  6. Step 6: Final answer
    x = 406,014.64

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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.