Home / 629,133.57-868,214.43-342,653.67

Finding the Fourth Proportional to 629,133.57, 868,214.43 and 342,653.67

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Solution

The fourth proportional to 629,133.57, 868,214.43 and 342,653.67 is: 472,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,133.57 : 868,214.43 = 342,653.67 : x
  2. Step 2: Convert to fraction form
    629,133.57/868,214.43 = 342,653.67/x
  3. Step 3: Cross multiply
    629,133.57x = 868,214.43 × 342,653.67
  4. Step 4: Simplify right side
    629,133.57x = 297,496,860,786.46
  5. Step 5: Solve for x
    x = 297,496,860,786.46/629,133.57
  6. Step 6: Final answer
    x = 472,867.57

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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.