Home / 789,366.69-1,089,824.13-547,564.68

Finding the Fourth Proportional to 789,366.69, 1,089,824.13 and 547,564.68

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Solution

The fourth proportional to 789,366.69, 1,089,824.13 and 547,564.68 is: 755,984.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,366.69 : 1,089,824.13 = 547,564.68 : x
  2. Step 2: Convert to fraction form
    789,366.69/1,089,824.13 = 547,564.68/x
  3. Step 3: Cross multiply
    789,366.69x = 1,089,824.13 × 547,564.68
  4. Step 4: Simplify right side
    789,366.69x = 596,749,200,999.73
  5. Step 5: Solve for x
    x = 596,749,200,999.73/789,366.69
  6. Step 6: Final answer
    x = 755,984.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.