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Finding the Fourth Proportional to 613,207.94, 846,226.96 and 341,340.05

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Solution

The fourth proportional to 613,207.94, 846,226.96 and 341,340.05 is: 471,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,207.94 : 846,226.96 = 341,340.05 : x
  2. Step 2: Convert to fraction form
    613,207.94/846,226.96 = 341,340.05/x
  3. Step 3: Cross multiply
    613,207.94x = 846,226.96 × 341,340.05
  4. Step 4: Simplify right side
    613,207.94x = 288,851,152,837.75
  5. Step 5: Solve for x
    x = 288,851,152,837.75/613,207.94
  6. Step 6: Final answer
    x = 471,049.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.