Home / 629,469.24-868,667.76-342,989.40

Finding the Fourth Proportional to 629,469.24, 868,667.76 and 342,989.40

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Solution

The fourth proportional to 629,469.24, 868,667.76 and 342,989.40 is: 473,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,469.24 : 868,667.76 = 342,989.40 : x
  2. Step 2: Convert to fraction form
    629,469.24/868,667.76 = 342,989.40/x
  3. Step 3: Cross multiply
    629,469.24x = 868,667.76 × 342,989.40
  4. Step 4: Simplify right side
    629,469.24x = 297,943,833,801.74
  5. Step 5: Solve for x
    x = 297,943,833,801.74/629,469.24
  6. Step 6: Final answer
    x = 473,325.49

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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.