Home / 629,063.25-868,116.56-342,582.65

Finding the Fourth Proportional to 629,063.25, 868,116.56 and 342,582.65

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Solution

The fourth proportional to 629,063.25, 868,116.56 and 342,582.65 is: 472,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,063.25 : 868,116.56 = 342,582.65 : x
  2. Step 2: Convert to fraction form
    629,063.25/868,116.56 = 342,582.65/x
  3. Step 3: Cross multiply
    629,063.25x = 868,116.56 × 342,582.65
  4. Step 4: Simplify right side
    629,063.25x = 297,401,668,835.63
  5. Step 5: Solve for x
    x = 297,401,668,835.63/629,063.25
  6. Step 6: Final answer
    x = 472,769.11

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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.