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Finding the Fourth Proportional to 637,107.10, 955,659.48 and 436,820.29

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Solution

The fourth proportional to 637,107.10, 955,659.48 and 436,820.29 is: 655,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,107.10 : 955,659.48 = 436,820.29 : x
  2. Step 2: Convert to fraction form
    637,107.10/955,659.48 = 436,820.29/x
  3. Step 3: Cross multiply
    637,107.10x = 955,659.48 × 436,820.29
  4. Step 4: Simplify right side
    637,107.10x = 417,451,451,194.85
  5. Step 5: Solve for x
    x = 417,451,451,194.85/637,107.10
  6. Step 6: Final answer
    x = 655,229.63

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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.