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Finding the Fourth Proportional to 802,899, 1,108,000.62 and 445,203

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Solution

The fourth proportional to 802,899, 1,108,000.62 and 445,203 is: 614,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,899 : 1,108,000.62 = 445,203 : x
  2. Step 2: Convert to fraction form
    802,899/1,108,000.62 = 445,203/x
  3. Step 3: Cross multiply
    802,899x = 1,108,000.62 × 445,203
  4. Step 4: Simplify right side
    802,899x = 493,285,200,025.86
  5. Step 5: Solve for x
    x = 493,285,200,025.86/802,899
  6. Step 6: Final answer
    x = 614,380.14

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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.