Home / 724,429.60-1,085,866.80-274,976.80

Finding the Fourth Proportional to 724,429.60, 1,085,866.80 and 274,976.80

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Solution

The fourth proportional to 724,429.60, 1,085,866.80 and 274,976.80 is: 412,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,429.60 : 1,085,866.80 = 274,976.80 : x
  2. Step 2: Convert to fraction form
    724,429.60/1,085,866.80 = 274,976.80/x
  3. Step 3: Cross multiply
    724,429.60x = 1,085,866.80 × 274,976.80
  4. Step 4: Simplify right side
    724,429.60x = 298,588,177,890.24
  5. Step 5: Solve for x
    x = 298,588,177,890.24/724,429.60
  6. Step 6: Final answer
    x = 412,170.04

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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.