Home / 743,918.24-1,025,656.90-481,810.55

Finding the Fourth Proportional to 743,918.24, 1,025,656.90 and 481,810.55

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Solution

The fourth proportional to 743,918.24, 1,025,656.90 and 481,810.55 is: 664,283.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,918.24 : 1,025,656.90 = 481,810.55 : x
  2. Step 2: Convert to fraction form
    743,918.24/1,025,656.90 = 481,810.55/x
  3. Step 3: Cross multiply
    743,918.24x = 1,025,656.90 × 481,810.55
  4. Step 4: Simplify right side
    743,918.24x = 494,172,308,767.48
  5. Step 5: Solve for x
    x = 494,172,308,767.48/743,918.24
  6. Step 6: Final answer
    x = 664,283.09

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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.