Home / 746,743.40-1,119,434.70-273,314.60

Finding the Fourth Proportional to 746,743.40, 1,119,434.70 and 273,314.60

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Solution

The fourth proportional to 746,743.40, 1,119,434.70 and 273,314.60 is: 409,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,743.40 : 1,119,434.70 = 273,314.60 : x
  2. Step 2: Convert to fraction form
    746,743.40/1,119,434.70 = 273,314.60/x
  3. Step 3: Cross multiply
    746,743.40x = 1,119,434.70 × 273,314.60
  4. Step 4: Simplify right side
    746,743.40x = 305,957,847,256.62
  5. Step 5: Solve for x
    x = 305,957,847,256.62/746,743.40
  6. Step 6: Final answer
    x = 409,722.87

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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.