Home / 805,268.40-1,208,048.40-404,901.60

Finding the Fourth Proportional to 805,268.40, 1,208,048.40 and 404,901.60

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Solution

The fourth proportional to 805,268.40, 1,208,048.40 and 404,901.60 is: 607,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,268.40 : 1,208,048.40 = 404,901.60 : x
  2. Step 2: Convert to fraction form
    805,268.40/1,208,048.40 = 404,901.60/x
  3. Step 3: Cross multiply
    805,268.40x = 1,208,048.40 × 404,901.60
  4. Step 4: Simplify right side
    805,268.40x = 489,140,730,037.44
  5. Step 5: Solve for x
    x = 489,140,730,037.44/805,268.40
  6. Step 6: Final answer
    x = 607,425.71

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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.