Home / 809,282.24-1,212,365.44-505,795.04

Finding the Fourth Proportional to 809,282.24, 1,212,365.44 and 505,795.04

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Solution

The fourth proportional to 809,282.24, 1,212,365.44 and 505,795.04 is: 757,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,282.24 : 1,212,365.44 = 505,795.04 : x
  2. Step 2: Convert to fraction form
    809,282.24/1,212,365.44 = 505,795.04/x
  3. Step 3: Cross multiply
    809,282.24x = 1,212,365.44 × 505,795.04
  4. Step 4: Simplify right side
    809,282.24x = 613,208,426,219.42
  5. Step 5: Solve for x
    x = 613,208,426,219.42/809,282.24
  6. Step 6: Final answer
    x = 757,718.87

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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.