Home / 664,731.85-997,349.04-260,213.14

Finding the Fourth Proportional to 664,731.85, 997,349.04 and 260,213.14

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Solution

The fourth proportional to 664,731.85, 997,349.04 and 260,213.14 is: 390,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,731.85 : 997,349.04 = 260,213.14 : x
  2. Step 2: Convert to fraction form
    664,731.85/997,349.04 = 260,213.14/x
  3. Step 3: Cross multiply
    664,731.85x = 997,349.04 × 260,213.14
  4. Step 4: Simplify right side
    664,731.85x = 259,523,324,073.32
  5. Step 5: Solve for x
    x = 259,523,324,073.32/664,731.85
  6. Step 6: Final answer
    x = 390,418.07

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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.