Home / 768,028.77-1,152,176.94-262,640.34

Finding the Fourth Proportional to 768,028.77, 1,152,176.94 and 262,640.34

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Solution

The fourth proportional to 768,028.77, 1,152,176.94 and 262,640.34 is: 394,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,028.77 : 1,152,176.94 = 262,640.34 : x
  2. Step 2: Convert to fraction form
    768,028.77/1,152,176.94 = 262,640.34/x
  3. Step 3: Cross multiply
    768,028.77x = 1,152,176.94 × 262,640.34
  4. Step 4: Simplify right side
    768,028.77x = 302,608,143,261.76
  5. Step 5: Solve for x
    x = 302,608,143,261.76/768,028.77
  6. Step 6: Final answer
    x = 394,006.26

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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.