Home / 726,500.58-1,089,751.74-347,332.15

Finding the Fourth Proportional to 726,500.58, 1,089,751.74 and 347,332.15

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Solution

The fourth proportional to 726,500.58, 1,089,751.74 and 347,332.15 is: 520,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,500.58 : 1,089,751.74 = 347,332.15 : x
  2. Step 2: Convert to fraction form
    726,500.58/1,089,751.74 = 347,332.15/x
  3. Step 3: Cross multiply
    726,500.58x = 1,089,751.74 × 347,332.15
  4. Step 4: Simplify right side
    726,500.58x = 378,505,814,820.44
  5. Step 5: Solve for x
    x = 378,505,814,820.44/726,500.58
  6. Step 6: Final answer
    x = 520,998.64

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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.