Home / 664,246.90-996,467.55-348,727.60

Finding the Fourth Proportional to 664,246.90, 996,467.55 and 348,727.60

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Solution

The fourth proportional to 664,246.90, 996,467.55 and 348,727.60 is: 523,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,246.90 : 996,467.55 = 348,727.60 : x
  2. Step 2: Convert to fraction form
    664,246.90/996,467.55 = 348,727.60/x
  3. Step 3: Cross multiply
    664,246.90x = 996,467.55 × 348,727.60
  4. Step 4: Simplify right side
    664,246.90x = 347,495,737,189.38
  5. Step 5: Solve for x
    x = 347,495,737,189.38/664,246.90
  6. Step 6: Final answer
    x = 523,142.43

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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.