Home / 664,242.90-996,461.55-348,723.60

Finding the Fourth Proportional to 664,242.90, 996,461.55 and 348,723.60

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Solution

The fourth proportional to 664,242.90, 996,461.55 and 348,723.60 is: 523,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,242.90 : 996,461.55 = 348,723.60 : x
  2. Step 2: Convert to fraction form
    664,242.90/996,461.55 = 348,723.60/x
  3. Step 3: Cross multiply
    664,242.90x = 996,461.55 × 348,723.60
  4. Step 4: Simplify right side
    664,242.90x = 347,489,658,977.58
  5. Step 5: Solve for x
    x = 347,489,658,977.58/664,242.90
  6. Step 6: Final answer
    x = 523,136.43

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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.