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Finding the Fourth Proportional to 671,909.25, 927,234.81 and 370,103.25

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Solution

The fourth proportional to 671,909.25, 927,234.81 and 370,103.25 is: 510,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,909.25 : 927,234.81 = 370,103.25 : x
  2. Step 2: Convert to fraction form
    671,909.25/927,234.81 = 370,103.25/x
  3. Step 3: Cross multiply
    671,909.25x = 927,234.81 × 370,103.25
  4. Step 4: Simplify right side
    671,909.25x = 343,172,616,694.13
  5. Step 5: Solve for x
    x = 343,172,616,694.13/671,909.25
  6. Step 6: Final answer
    x = 510,742.51

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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.