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Finding the Fourth Proportional to 800,365.83, 1,200,962.79 and 351,402

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Solution

The fourth proportional to 800,365.83, 1,200,962.79 and 351,402 is: 527,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,365.83 : 1,200,962.79 = 351,402 : x
  2. Step 2: Convert to fraction form
    800,365.83/1,200,962.79 = 351,402/x
  3. Step 3: Cross multiply
    800,365.83x = 1,200,962.79 × 351,402
  4. Step 4: Simplify right side
    800,365.83x = 422,020,726,331.58
  5. Step 5: Solve for x
    x = 422,020,726,331.58/800,365.83
  6. Step 6: Final answer
    x = 527,284.79

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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.