Home / 823,694.08-1,136,472.80-565,648.64

Finding the Fourth Proportional to 823,694.08, 1,136,472.80 and 565,648.64

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Solution

The fourth proportional to 823,694.08, 1,136,472.80 and 565,648.64 is: 780,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,694.08 : 1,136,472.80 = 565,648.64 : x
  2. Step 2: Convert to fraction form
    823,694.08/1,136,472.80 = 565,648.64/x
  3. Step 3: Cross multiply
    823,694.08x = 1,136,472.80 × 565,648.64
  4. Step 4: Simplify right side
    823,694.08x = 642,844,293,716.99
  5. Step 5: Solve for x
    x = 642,844,293,716.99/823,694.08
  6. Step 6: Final answer
    x = 780,440.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.