Home / 629,775.18-869,046.33-354,174.24

Finding the Fourth Proportional to 629,775.18, 869,046.33 and 354,174.24

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Solution

The fourth proportional to 629,775.18, 869,046.33 and 354,174.24 is: 488,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,775.18 : 869,046.33 = 354,174.24 : x
  2. Step 2: Convert to fraction form
    629,775.18/869,046.33 = 354,174.24/x
  3. Step 3: Cross multiply
    629,775.18x = 869,046.33 × 354,174.24
  4. Step 4: Simplify right side
    629,775.18x = 307,793,823,452.54
  5. Step 5: Solve for x
    x = 307,793,823,452.54/629,775.18
  6. Step 6: Final answer
    x = 488,736.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.