Home / 889,487.99-1,227,491.80-481,589.78

Finding the Fourth Proportional to 889,487.99, 1,227,491.80 and 481,589.78

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Solution

The fourth proportional to 889,487.99, 1,227,491.80 and 481,589.78 is: 664,593.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,487.99 : 1,227,491.80 = 481,589.78 : x
  2. Step 2: Convert to fraction form
    889,487.99/1,227,491.80 = 481,589.78/x
  3. Step 3: Cross multiply
    889,487.99x = 1,227,491.80 × 481,589.78
  4. Step 4: Simplify right side
    889,487.99x = 591,147,499,776.35
  5. Step 5: Solve for x
    x = 591,147,499,776.35/889,487.99
  6. Step 6: Final answer
    x = 664,593.01

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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.