Home / 629,066.90-868,122.76-342,592.58

Finding the Fourth Proportional to 629,066.90, 868,122.76 and 342,592.58

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Solution

The fourth proportional to 629,066.90, 868,122.76 and 342,592.58 is: 472,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,066.90 : 868,122.76 = 342,592.58 : x
  2. Step 2: Convert to fraction form
    629,066.90/868,122.76 = 342,592.58/x
  3. Step 3: Cross multiply
    629,066.90x = 868,122.76 × 342,592.58
  4. Step 4: Simplify right side
    629,066.90x = 297,412,416,105.12
  5. Step 5: Solve for x
    x = 297,412,416,105.12/629,066.90
  6. Step 6: Final answer
    x = 472,783.44

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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.