Home / 821,986.59-1,232,862.33-282,232.77

Finding the Fourth Proportional to 821,986.59, 1,232,862.33 and 282,232.77

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Solution

The fourth proportional to 821,986.59, 1,232,862.33 and 282,232.77 is: 423,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,986.59 : 1,232,862.33 = 282,232.77 : x
  2. Step 2: Convert to fraction form
    821,986.59/1,232,862.33 = 282,232.77/x
  3. Step 3: Cross multiply
    821,986.59x = 1,232,862.33 × 282,232.77
  4. Step 4: Simplify right side
    821,986.59x = 347,954,150,424.55
  5. Step 5: Solve for x
    x = 347,954,150,424.55/821,986.59
  6. Step 6: Final answer
    x = 423,308.79

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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.