Home / 554,417.02-765,091.03-321,865.54

Finding the Fourth Proportional to 554,417.02, 765,091.03 and 321,865.54

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Solution

The fourth proportional to 554,417.02, 765,091.03 and 321,865.54 is: 444,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,417.02 : 765,091.03 = 321,865.54 : x
  2. Step 2: Convert to fraction form
    554,417.02/765,091.03 = 321,865.54/x
  3. Step 3: Cross multiply
    554,417.02x = 765,091.03 × 321,865.54
  4. Step 4: Simplify right side
    554,417.02x = 246,256,437,520.11
  5. Step 5: Solve for x
    x = 246,256,437,520.11/554,417.02
  6. Step 6: Final answer
    x = 444,171.86

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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.