Home / 727,489.85-1,089,371.54-607,247.83

Finding the Fourth Proportional to 727,489.85, 1,089,371.54 and 607,247.83

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Solution

The fourth proportional to 727,489.85, 1,089,371.54 and 607,247.83 is: 909,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,489.85 : 1,089,371.54 = 607,247.83 : x
  2. Step 2: Convert to fraction form
    727,489.85/1,089,371.54 = 607,247.83/x
  3. Step 3: Cross multiply
    727,489.85x = 1,089,371.54 × 607,247.83
  4. Step 4: Simplify right side
    727,489.85x = 661,518,502,523.45
  5. Step 5: Solve for x
    x = 661,518,502,523.45/727,489.85
  6. Step 6: Final answer
    x = 909,316.48

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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.