Home / 726,416.60-1,089,624.90-227,779.80

Finding the Fourth Proportional to 726,416.60, 1,089,624.90 and 227,779.80

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Solution

The fourth proportional to 726,416.60, 1,089,624.90 and 227,779.80 is: 341,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,416.60 : 1,089,624.90 = 227,779.80 : x
  2. Step 2: Convert to fraction form
    726,416.60/1,089,624.90 = 227,779.80/x
  3. Step 3: Cross multiply
    726,416.60x = 1,089,624.90 × 227,779.80
  4. Step 4: Simplify right side
    726,416.60x = 248,194,541,797.02
  5. Step 5: Solve for x
    x = 248,194,541,797.02/726,416.60
  6. Step 6: Final answer
    x = 341,669.70

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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.