Home / 889,884.99-1,228,033.85-481,977.36

Finding the Fourth Proportional to 889,884.99, 1,228,033.85 and 481,977.36

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Solution

The fourth proportional to 889,884.99, 1,228,033.85 and 481,977.36 is: 665,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,884.99 : 1,228,033.85 = 481,977.36 : x
  2. Step 2: Convert to fraction form
    889,884.99/1,228,033.85 = 481,977.36/x
  3. Step 3: Cross multiply
    889,884.99x = 1,228,033.85 × 481,977.36
  4. Step 4: Simplify right side
    889,884.99x = 591,884,510,603.75
  5. Step 5: Solve for x
    x = 591,884,510,603.75/889,884.99
  6. Step 6: Final answer
    x = 665,124.73

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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.