Home / 746,904.60-1,120,356.90-273,637.80

Finding the Fourth Proportional to 746,904.60, 1,120,356.90 and 273,637.80

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Solution

The fourth proportional to 746,904.60, 1,120,356.90 and 273,637.80 is: 410,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,904.60 : 1,120,356.90 = 273,637.80 : x
  2. Step 2: Convert to fraction form
    746,904.60/1,120,356.90 = 273,637.80/x
  3. Step 3: Cross multiply
    746,904.60x = 1,120,356.90 × 273,637.80
  4. Step 4: Simplify right side
    746,904.60x = 306,571,997,330.82
  5. Step 5: Solve for x
    x = 306,571,997,330.82/746,904.60
  6. Step 6: Final answer
    x = 410,456.70

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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.