Home / 726,451.20-1,089,676.80-568,814.40

Finding the Fourth Proportional to 726,451.20, 1,089,676.80 and 568,814.40

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Solution

The fourth proportional to 726,451.20, 1,089,676.80 and 568,814.40 is: 853,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,451.20 : 1,089,676.80 = 568,814.40 : x
  2. Step 2: Convert to fraction form
    726,451.20/1,089,676.80 = 568,814.40/x
  3. Step 3: Cross multiply
    726,451.20x = 1,089,676.80 × 568,814.40
  4. Step 4: Simplify right side
    726,451.20x = 619,823,855,185.92
  5. Step 5: Solve for x
    x = 619,823,855,185.92/726,451.20
  6. Step 6: Final answer
    x = 853,221.60

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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.