Home / 768,683.09-1,151,759.45-262,967.61

Finding the Fourth Proportional to 768,683.09, 1,151,759.45 and 262,967.61

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Solution

The fourth proportional to 768,683.09, 1,151,759.45 and 262,967.61 is: 394,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,683.09 : 1,151,759.45 = 262,967.61 : x
  2. Step 2: Convert to fraction form
    768,683.09/1,151,759.45 = 262,967.61/x
  3. Step 3: Cross multiply
    768,683.09x = 1,151,759.45 × 262,967.61
  4. Step 4: Simplify right side
    768,683.09x = 302,875,428,546.58
  5. Step 5: Solve for x
    x = 302,875,428,546.58/768,683.09
  6. Step 6: Final answer
    x = 394,018.59

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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.