Home / 759,301.52-1,047,857.96-419,791.64

Finding the Fourth Proportional to 759,301.52, 1,047,857.96 and 419,791.64

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Solution

The fourth proportional to 759,301.52, 1,047,857.96 and 419,791.64 is: 579,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,301.52 : 1,047,857.96 = 419,791.64 : x
  2. Step 2: Convert to fraction form
    759,301.52/1,047,857.96 = 419,791.64/x
  3. Step 3: Cross multiply
    759,301.52x = 1,047,857.96 × 419,791.64
  4. Step 4: Simplify right side
    759,301.52x = 439,882,011,515.45
  5. Step 5: Solve for x
    x = 439,882,011,515.45/759,301.52
  6. Step 6: Final answer
    x = 579,324.55

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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.