Home / 746,611.60-1,119,917.40-273,139.60

Finding the Fourth Proportional to 746,611.60, 1,119,917.40 and 273,139.60

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Solution

The fourth proportional to 746,611.60, 1,119,917.40 and 273,139.60 is: 409,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,611.60 : 1,119,917.40 = 273,139.60 : x
  2. Step 2: Convert to fraction form
    746,611.60/1,119,917.40 = 273,139.60/x
  3. Step 3: Cross multiply
    746,611.60x = 1,119,917.40 × 273,139.60
  4. Step 4: Simplify right side
    746,611.60x = 305,893,790,669.04
  5. Step 5: Solve for x
    x = 305,893,790,669.04/746,611.60
  6. Step 6: Final answer
    x = 409,709.40

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Double scale
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Similar ratio
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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.