Home / 550,584.77-759,832.02-321,146.60

Finding the Fourth Proportional to 550,584.77, 759,832.02 and 321,146.60

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Solution

The fourth proportional to 550,584.77, 759,832.02 and 321,146.60 is: 443,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,584.77 : 759,832.02 = 321,146.60 : x
  2. Step 2: Convert to fraction form
    550,584.77/759,832.02 = 321,146.60/x
  3. Step 3: Cross multiply
    550,584.77x = 759,832.02 × 321,146.60
  4. Step 4: Simplify right side
    550,584.77x = 244,017,465,994.97
  5. Step 5: Solve for x
    x = 244,017,465,994.97/550,584.77
  6. Step 6: Final answer
    x = 443,196.91

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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.