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Finding the Fourth Proportional to 807,564.68, 1,209,794.60 and 451,498.88

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Solution

The fourth proportional to 807,564.68, 1,209,794.60 and 451,498.88 is: 676,380.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,564.68 : 1,209,794.60 = 451,498.88 : x
  2. Step 2: Convert to fraction form
    807,564.68/1,209,794.60 = 451,498.88/x
  3. Step 3: Cross multiply
    807,564.68x = 1,209,794.60 × 451,498.88
  4. Step 4: Simplify right side
    807,564.68x = 546,220,906,930.05
  5. Step 5: Solve for x
    x = 546,220,906,930.05/807,564.68
  6. Step 6: Final answer
    x = 676,380.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.