Home / 765,558.51-1,147,565.83-481,452.10

Finding the Fourth Proportional to 765,558.51, 1,147,565.83 and 481,452.10

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Solution

The fourth proportional to 765,558.51, 1,147,565.83 and 481,452.10 is: 721,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,558.51 : 1,147,565.83 = 481,452.10 : x
  2. Step 2: Convert to fraction form
    765,558.51/1,147,565.83 = 481,452.10/x
  3. Step 3: Cross multiply
    765,558.51x = 1,147,565.83 × 481,452.10
  4. Step 4: Simplify right side
    765,558.51x = 552,497,976,768.35
  5. Step 5: Solve for x
    x = 552,497,976,768.35/765,558.51
  6. Step 6: Final answer
    x = 721,692.68

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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.