Home / 629,429.36-868,601.58-342,951.80

Finding the Fourth Proportional to 629,429.36, 868,601.58 and 342,951.80

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Solution

The fourth proportional to 629,429.36, 868,601.58 and 342,951.80 is: 473,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,429.36 : 868,601.58 = 342,951.80 : x
  2. Step 2: Convert to fraction form
    629,429.36/868,601.58 = 342,951.80/x
  3. Step 3: Cross multiply
    629,429.36x = 868,601.58 × 342,951.80
  4. Step 4: Simplify right side
    629,429.36x = 297,888,475,343.84
  5. Step 5: Solve for x
    x = 297,888,475,343.84/629,429.36
  6. Step 6: Final answer
    x = 473,267.52

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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.