Home / 722,945.60-1,083,640.80-273,492.80

Finding the Fourth Proportional to 722,945.60, 1,083,640.80 and 273,492.80

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Solution

The fourth proportional to 722,945.60, 1,083,640.80 and 273,492.80 is: 409,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,945.60 : 1,083,640.80 = 273,492.80 : x
  2. Step 2: Convert to fraction form
    722,945.60/1,083,640.80 = 273,492.80/x
  3. Step 3: Cross multiply
    722,945.60x = 1,083,640.80 × 273,492.80
  4. Step 4: Simplify right side
    722,945.60x = 296,367,956,586.24
  5. Step 5: Solve for x
    x = 296,367,956,586.24/722,945.60
  6. Step 6: Final answer
    x = 409,945.03

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1.5x scale

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.