Home / 874,345.38-1,206,548.48-481,801.02

Finding the Fourth Proportional to 874,345.38, 1,206,548.48 and 481,801.02

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Solution

The fourth proportional to 874,345.38, 1,206,548.48 and 481,801.02 is: 664,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,345.38 : 1,206,548.48 = 481,801.02 : x
  2. Step 2: Convert to fraction form
    874,345.38/1,206,548.48 = 481,801.02/x
  3. Step 3: Cross multiply
    874,345.38x = 1,206,548.48 × 481,801.02
  4. Step 4: Simplify right side
    874,345.38x = 581,316,288,343.45
  5. Step 5: Solve for x
    x = 581,316,288,343.45/874,345.38
  6. Step 6: Final answer
    x = 664,858.88

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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.