Home / 629,108.81-868,180.04-342,628.67

Finding the Fourth Proportional to 629,108.81, 868,180.04 and 342,628.67

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Solution

The fourth proportional to 629,108.81, 868,180.04 and 342,628.67 is: 472,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,108.81 : 868,180.04 = 342,628.67 : x
  2. Step 2: Convert to fraction form
    629,108.81/868,180.04 = 342,628.67/x
  3. Step 3: Cross multiply
    629,108.81x = 868,180.04 × 342,628.67
  4. Step 4: Simplify right side
    629,108.81x = 297,463,372,425.75
  5. Step 5: Solve for x
    x = 297,463,372,425.75/629,108.81
  6. Step 6: Final answer
    x = 472,832.95

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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.