Home / 905,216.20-1,356,902.70-531,046.60

Finding the Fourth Proportional to 905,216.20, 1,356,902.70 and 531,046.60

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Solution

The fourth proportional to 905,216.20, 1,356,902.70 and 531,046.60 is: 796,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,216.20 : 1,356,902.70 = 531,046.60 : x
  2. Step 2: Convert to fraction form
    905,216.20/1,356,902.70 = 531,046.60/x
  3. Step 3: Cross multiply
    905,216.20x = 1,356,902.70 × 531,046.60
  4. Step 4: Simplify right side
    905,216.20x = 720,578,565,365.82
  5. Step 5: Solve for x
    x = 720,578,565,365.82/905,216.20
  6. Step 6: Final answer
    x = 796,029.24

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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.