Home / 769,496.58-1,154,186.55-270,510.66

Finding the Fourth Proportional to 769,496.58, 1,154,186.55 and 270,510.66

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Solution

The fourth proportional to 769,496.58, 1,154,186.55 and 270,510.66 is: 405,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,496.58 : 1,154,186.55 = 270,510.66 : x
  2. Step 2: Convert to fraction form
    769,496.58/1,154,186.55 = 270,510.66/x
  3. Step 3: Cross multiply
    769,496.58x = 1,154,186.55 × 270,510.66
  4. Step 4: Simplify right side
    769,496.58x = 312,219,765,403.62
  5. Step 5: Solve for x
    x = 312,219,765,403.62/769,496.58
  6. Step 6: Final answer
    x = 405,745.49

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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.