Home / 889,884.24-1,228,032.81-481,976.61

Finding the Fourth Proportional to 889,884.24, 1,228,032.81 and 481,976.61

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Solution

The fourth proportional to 889,884.24, 1,228,032.81 and 481,976.61 is: 665,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,884.24 : 1,228,032.81 = 481,976.61 : x
  2. Step 2: Convert to fraction form
    889,884.24/1,228,032.81 = 481,976.61/x
  3. Step 3: Cross multiply
    889,884.24x = 1,228,032.81 × 481,976.61
  4. Step 4: Simplify right side
    889,884.24x = 591,883,090,732.57
  5. Step 5: Solve for x
    x = 591,883,090,732.57/889,884.24
  6. Step 6: Final answer
    x = 665,123.69

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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.