Home / 789,367.69-1,089,825.51-547,565.68

Finding the Fourth Proportional to 789,367.69, 1,089,825.51 and 547,565.68

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Solution

The fourth proportional to 789,367.69, 1,089,825.51 and 547,565.68 is: 755,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,367.69 : 1,089,825.51 = 547,565.68 : x
  2. Step 2: Convert to fraction form
    789,367.69/1,089,825.51 = 547,565.68/x
  3. Step 3: Cross multiply
    789,367.69x = 1,089,825.51 × 547,565.68
  4. Step 4: Simplify right side
    789,367.69x = 596,751,046,464.50
  5. Step 5: Solve for x
    x = 596,751,046,464.50/789,367.69
  6. Step 6: Final answer
    x = 755,986.16

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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.