Home / 629,265.98-868,322.33-353,580.05

Finding the Fourth Proportional to 629,265.98, 868,322.33 and 353,580.05

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Solution

The fourth proportional to 629,265.98, 868,322.33 and 353,580.05 is: 487,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,265.98 : 868,322.33 = 353,580.05 : x
  2. Step 2: Convert to fraction form
    629,265.98/868,322.33 = 353,580.05/x
  3. Step 3: Cross multiply
    629,265.98x = 868,322.33 × 353,580.05
  4. Step 4: Simplify right side
    629,265.98x = 307,021,454,586.35
  5. Step 5: Solve for x
    x = 307,021,454,586.35/629,265.98
  6. Step 6: Final answer
    x = 487,904.10

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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.