Home / 776,144.22-1,164,410.10-270,712.46

Finding the Fourth Proportional to 776,144.22, 1,164,410.10 and 270,712.46

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Solution

The fourth proportional to 776,144.22, 1,164,410.10 and 270,712.46 is: 406,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,144.22 : 1,164,410.10 = 270,712.46 : x
  2. Step 2: Convert to fraction form
    776,144.22/1,164,410.10 = 270,712.46/x
  3. Step 3: Cross multiply
    776,144.22x = 1,164,410.10 × 270,712.46
  4. Step 4: Simplify right side
    776,144.22x = 315,220,322,619.85
  5. Step 5: Solve for x
    x = 315,220,322,619.85/776,144.22
  6. Step 6: Final answer
    x = 406,136.28

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1.5x scale

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.