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Finding the Fourth Proportional to 800,360.52, 1,200,877.74 and 350,849.40

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Solution

The fourth proportional to 800,360.52, 1,200,877.74 and 350,849.40 is: 526,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,360.52 : 1,200,877.74 = 350,849.40 : x
  2. Step 2: Convert to fraction form
    800,360.52/1,200,877.74 = 350,849.40/x
  3. Step 3: Cross multiply
    800,360.52x = 1,200,877.74 × 350,849.40
  4. Step 4: Simplify right side
    800,360.52x = 421,327,234,552.36
  5. Step 5: Solve for x
    x = 421,327,234,552.36/800,360.52
  6. Step 6: Final answer
    x = 526,421.81

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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.