Home / 823,718.59-1,136,867.66-565,383.31

Finding the Fourth Proportional to 823,718.59, 1,136,867.66 and 565,383.31

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Solution

The fourth proportional to 823,718.59, 1,136,867.66 and 565,383.31 is: 780,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,718.59 : 1,136,867.66 = 565,383.31 : x
  2. Step 2: Convert to fraction form
    823,718.59/1,136,867.66 = 565,383.31/x
  3. Step 3: Cross multiply
    823,718.59x = 1,136,867.66 × 565,383.31
  4. Step 4: Simplify right side
    823,718.59x = 642,766,000,642.76
  5. Step 5: Solve for x
    x = 642,766,000,642.76/823,718.59
  6. Step 6: Final answer
    x = 780,322.32

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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.