Home / 784,889.60-1,177,334.40-336,117.20

Finding the Fourth Proportional to 784,889.60, 1,177,334.40 and 336,117.20

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Solution

The fourth proportional to 784,889.60, 1,177,334.40 and 336,117.20 is: 504,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,889.60 : 1,177,334.40 = 336,117.20 : x
  2. Step 2: Convert to fraction form
    784,889.60/1,177,334.40 = 336,117.20/x
  3. Step 3: Cross multiply
    784,889.60x = 1,177,334.40 × 336,117.20
  4. Step 4: Simplify right side
    784,889.60x = 395,722,341,991.68
  5. Step 5: Solve for x
    x = 395,722,341,991.68/784,889.60
  6. Step 6: Final answer
    x = 504,175.80

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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.