Home / 769,249.20-1,152,318.60-517,306.80

Finding the Fourth Proportional to 769,249.20, 1,152,318.60 and 517,306.80

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Solution

The fourth proportional to 769,249.20, 1,152,318.60 and 517,306.80 is: 774,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,249.20 : 1,152,318.60 = 517,306.80 : x
  2. Step 2: Convert to fraction form
    769,249.20/1,152,318.60 = 517,306.80/x
  3. Step 3: Cross multiply
    769,249.20x = 1,152,318.60 × 517,306.80
  4. Step 4: Simplify right side
    769,249.20x = 596,102,247,546.48
  5. Step 5: Solve for x
    x = 596,102,247,546.48/769,249.20
  6. Step 6: Final answer
    x = 774,914.35

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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.