Home / 759,658.22-1,137,558.96-455,861.38

Finding the Fourth Proportional to 759,658.22, 1,137,558.96 and 455,861.38

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Solution

The fourth proportional to 759,658.22, 1,137,558.96 and 455,861.38 is: 682,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,658.22 : 1,137,558.96 = 455,861.38 : x
  2. Step 2: Convert to fraction form
    759,658.22/1,137,558.96 = 455,861.38/x
  3. Step 3: Cross multiply
    759,658.22x = 1,137,558.96 × 455,861.38
  4. Step 4: Simplify right side
    759,658.22x = 518,569,197,336.97
  5. Step 5: Solve for x
    x = 518,569,197,336.97/759,658.22
  6. Step 6: Final answer
    x = 682,634.88

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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.