Home / 889,489.99-1,227,494.56-481,591.78

Finding the Fourth Proportional to 889,489.99, 1,227,494.56 and 481,591.78

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Solution

The fourth proportional to 889,489.99, 1,227,494.56 and 481,591.78 is: 664,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,489.99 : 1,227,494.56 = 481,591.78 : x
  2. Step 2: Convert to fraction form
    889,489.99/1,227,494.56 = 481,591.78/x
  3. Step 3: Cross multiply
    889,489.99x = 1,227,494.56 × 481,591.78
  4. Step 4: Simplify right side
    889,489.99x = 591,151,283,953.24
  5. Step 5: Solve for x
    x = 591,151,283,953.24/889,489.99
  6. Step 6: Final answer
    x = 664,595.77

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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.