Home / 780,788.25-1,164,619.08-709,032.78

Finding the Fourth Proportional to 780,788.25, 1,164,619.08 and 709,032.78

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Solution

The fourth proportional to 780,788.25, 1,164,619.08 and 709,032.78 is: 1,057,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,788.25 : 1,164,619.08 = 709,032.78 : x
  2. Step 2: Convert to fraction form
    780,788.25/1,164,619.08 = 709,032.78/x
  3. Step 3: Cross multiply
    780,788.25x = 1,164,619.08 × 709,032.78
  4. Step 4: Simplify right side
    780,788.25x = 825,753,103,933.44
  5. Step 5: Solve for x
    x = 825,753,103,933.44/780,788.25
  6. Step 6: Final answer
    x = 1,057,589.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.