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Finding the Fourth Proportional to 866,287.98, 1,296,898.02 and 505,355.22

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Solution

The fourth proportional to 866,287.98, 1,296,898.02 and 505,355.22 is: 756,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,287.98 : 1,296,898.02 = 505,355.22 : x
  2. Step 2: Convert to fraction form
    866,287.98/1,296,898.02 = 505,355.22/x
  3. Step 3: Cross multiply
    866,287.98x = 1,296,898.02 × 505,355.22
  4. Step 4: Simplify right side
    866,287.98x = 655,394,184,214.66
  5. Step 5: Solve for x
    x = 655,394,184,214.66/866,287.98
  6. Step 6: Final answer
    x = 756,554.63

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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.