Home / 889,884.49-1,228,033.16-481,976.86

Finding the Fourth Proportional to 889,884.49, 1,228,033.16 and 481,976.86

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Solution

The fourth proportional to 889,884.49, 1,228,033.16 and 481,976.86 is: 665,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,884.49 : 1,228,033.16 = 481,976.86 : x
  2. Step 2: Convert to fraction form
    889,884.49/1,228,033.16 = 481,976.86/x
  3. Step 3: Cross multiply
    889,884.49x = 1,228,033.16 × 481,976.86
  4. Step 4: Simplify right side
    889,884.49x = 591,883,564,022.79
  5. Step 5: Solve for x
    x = 591,883,564,022.79/889,884.49
  6. Step 6: Final answer
    x = 665,124.04

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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.