Home / 726,812.60-1,091,385.30-549,519.80

Finding the Fourth Proportional to 726,812.60, 1,091,385.30 and 549,519.80

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Solution

The fourth proportional to 726,812.60, 1,091,385.30 and 549,519.80 is: 825,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,812.60 : 1,091,385.30 = 549,519.80 : x
  2. Step 2: Convert to fraction form
    726,812.60/1,091,385.30 = 549,519.80/x
  3. Step 3: Cross multiply
    726,812.60x = 1,091,385.30 × 549,519.80
  4. Step 4: Simplify right side
    726,812.60x = 599,737,831,778.94
  5. Step 5: Solve for x
    x = 599,737,831,778.94/726,812.60
  6. Step 6: Final answer
    x = 825,161.58

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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.