Home / 727,491.22-1,089,373.61-607,249.20

Finding the Fourth Proportional to 727,491.22, 1,089,373.61 and 607,249.20

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Solution

The fourth proportional to 727,491.22, 1,089,373.61 and 607,249.20 is: 909,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,491.22 : 1,089,373.61 = 607,249.20 : x
  2. Step 2: Convert to fraction form
    727,491.22/1,089,373.61 = 607,249.20/x
  3. Step 3: Cross multiply
    727,491.22x = 1,089,373.61 × 607,249.20
  4. Step 4: Simplify right side
    727,491.22x = 661,521,252,860.80
  5. Step 5: Solve for x
    x = 661,521,252,860.80/727,491.22
  6. Step 6: Final answer
    x = 909,318.54

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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.