Home / 769,988.16-1,155,077.28-264,651.84

Finding the Fourth Proportional to 769,988.16, 1,155,077.28 and 264,651.84

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Solution

The fourth proportional to 769,988.16, 1,155,077.28 and 264,651.84 is: 397,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,988.16 : 1,155,077.28 = 264,651.84 : x
  2. Step 2: Convert to fraction form
    769,988.16/1,155,077.28 = 264,651.84/x
  3. Step 3: Cross multiply
    769,988.16x = 1,155,077.28 × 264,651.84
  4. Step 4: Simplify right side
    769,988.16x = 305,693,327,494.20
  5. Step 5: Solve for x
    x = 305,693,327,494.20/769,988.16
  6. Step 6: Final answer
    x = 397,010.43

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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.