Home / 664,250.90-996,473.55-348,731.60

Finding the Fourth Proportional to 664,250.90, 996,473.55 and 348,731.60

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Solution

The fourth proportional to 664,250.90, 996,473.55 and 348,731.60 is: 523,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,250.90 : 996,473.55 = 348,731.60 : x
  2. Step 2: Convert to fraction form
    664,250.90/996,473.55 = 348,731.60/x
  3. Step 3: Cross multiply
    664,250.90x = 996,473.55 × 348,731.60
  4. Step 4: Simplify right side
    664,250.90x = 347,501,815,449.18
  5. Step 5: Solve for x
    x = 347,501,815,449.18/664,250.90
  6. Step 6: Final answer
    x = 523,148.43

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1.5x scale

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.