Home / 768,063.78-1,152,096.26-262,628.57

Finding the Fourth Proportional to 768,063.78, 1,152,096.26 and 262,628.57

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Solution

The fourth proportional to 768,063.78, 1,152,096.26 and 262,628.57 is: 393,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,063.78 : 1,152,096.26 = 262,628.57 : x
  2. Step 2: Convert to fraction form
    768,063.78/1,152,096.26 = 262,628.57/x
  3. Step 3: Cross multiply
    768,063.78x = 1,152,096.26 × 262,628.57
  4. Step 4: Simplify right side
    768,063.78x = 302,573,394,833.25
  5. Step 5: Solve for x
    x = 302,573,394,833.25/768,063.78
  6. Step 6: Final answer
    x = 393,943.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.