Home / 722,838.60-1,083,480.30-273,385.80

Finding the Fourth Proportional to 722,838.60, 1,083,480.30 and 273,385.80

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Solution

The fourth proportional to 722,838.60, 1,083,480.30 and 273,385.80 is: 409,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,838.60 : 1,083,480.30 = 273,385.80 : x
  2. Step 2: Convert to fraction form
    722,838.60/1,083,480.30 = 273,385.80/x
  3. Step 3: Cross multiply
    722,838.60x = 1,083,480.30 × 273,385.80
  4. Step 4: Simplify right side
    722,838.60x = 296,208,128,599.74
  5. Step 5: Solve for x
    x = 296,208,128,599.74/722,838.60
  6. Step 6: Final answer
    x = 409,784.60

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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.