Home / 888,918.78-1,226,711.14-481,020.60

Finding the Fourth Proportional to 888,918.78, 1,226,711.14 and 481,020.60

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Solution

The fourth proportional to 888,918.78, 1,226,711.14 and 481,020.60 is: 663,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,918.78 : 1,226,711.14 = 481,020.60 : x
  2. Step 2: Convert to fraction form
    888,918.78/1,226,711.14 = 481,020.60/x
  3. Step 3: Cross multiply
    888,918.78x = 1,226,711.14 × 481,020.60
  4. Step 4: Simplify right side
    888,918.78x = 590,073,328,589.48
  5. Step 5: Solve for x
    x = 590,073,328,589.48/888,918.78
  6. Step 6: Final answer
    x = 663,810.17

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1.5x scale

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.