Home / 823,523.25-1,233,136.29-662,720.86

Finding the Fourth Proportional to 823,523.25, 1,233,136.29 and 662,720.86

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Solution

The fourth proportional to 823,523.25, 1,233,136.29 and 662,720.86 is: 992,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,523.25 : 1,233,136.29 = 662,720.86 : x
  2. Step 2: Convert to fraction form
    823,523.25/1,233,136.29 = 662,720.86/x
  3. Step 3: Cross multiply
    823,523.25x = 1,233,136.29 × 662,720.86
  4. Step 4: Simplify right side
    823,523.25x = 817,225,142,606.01
  5. Step 5: Solve for x
    x = 817,225,142,606.01/823,523.25
  6. Step 6: Final answer
    x = 992,352.24

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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.