Home / 722,743.76-1,083,919.80-301,931.60

Finding the Fourth Proportional to 722,743.76, 1,083,919.80 and 301,931.60

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Solution

The fourth proportional to 722,743.76, 1,083,919.80 and 301,931.60 is: 452,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,743.76 : 1,083,919.80 = 301,931.60 : x
  2. Step 2: Convert to fraction form
    722,743.76/1,083,919.80 = 301,931.60/x
  3. Step 3: Cross multiply
    722,743.76x = 1,083,919.80 × 301,931.60
  4. Step 4: Simplify right side
    722,743.76x = 327,269,639,485.68
  5. Step 5: Solve for x
    x = 327,269,639,485.68/722,743.76
  6. Step 6: Final answer
    x = 452,815.59

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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.