Home / 746,330.40-1,119,641.40-296,974.80

Finding the Fourth Proportional to 746,330.40, 1,119,641.40 and 296,974.80

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Solution

The fourth proportional to 746,330.40, 1,119,641.40 and 296,974.80 is: 445,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,330.40 : 1,119,641.40 = 296,974.80 : x
  2. Step 2: Convert to fraction form
    746,330.40/1,119,641.40 = 296,974.80/x
  3. Step 3: Cross multiply
    746,330.40x = 1,119,641.40 × 296,974.80
  4. Step 4: Simplify right side
    746,330.40x = 332,505,280,836.72
  5. Step 5: Solve for x
    x = 332,505,280,836.72/746,330.40
  6. Step 6: Final answer
    x = 445,520.22

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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.