Home / 823,965.33-1,236,618.44-424,720.28

Finding the Fourth Proportional to 823,965.33, 1,236,618.44 and 424,720.28

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Solution

The fourth proportional to 823,965.33, 1,236,618.44 and 424,720.28 is: 637,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,965.33 : 1,236,618.44 = 424,720.28 : x
  2. Step 2: Convert to fraction form
    823,965.33/1,236,618.44 = 424,720.28/x
  3. Step 3: Cross multiply
    823,965.33x = 1,236,618.44 × 424,720.28
  4. Step 4: Simplify right side
    823,965.33x = 525,216,928,083.68
  5. Step 5: Solve for x
    x = 525,216,928,083.68/823,965.33
  6. Step 6: Final answer
    x = 637,426.01

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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.