Home / 889,354.94-1,227,308.40-481,456.67

Finding the Fourth Proportional to 889,354.94, 1,227,308.40 and 481,456.67

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Solution

The fourth proportional to 889,354.94, 1,227,308.40 and 481,456.67 is: 664,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,354.94 : 1,227,308.40 = 481,456.67 : x
  2. Step 2: Convert to fraction form
    889,354.94/1,227,308.40 = 481,456.67/x
  3. Step 3: Cross multiply
    889,354.94x = 1,227,308.40 × 481,456.67
  4. Step 4: Simplify right side
    889,354.94x = 590,895,809,190.49
  5. Step 5: Solve for x
    x = 590,895,809,190.49/889,354.94
  6. Step 6: Final answer
    x = 664,409.43

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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.