Home / 889,355.94-1,227,309.78-481,457.67

Finding the Fourth Proportional to 889,355.94, 1,227,309.78 and 481,457.67

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Solution

The fourth proportional to 889,355.94, 1,227,309.78 and 481,457.67 is: 664,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,355.94 : 1,227,309.78 = 481,457.67 : x
  2. Step 2: Convert to fraction form
    889,355.94/1,227,309.78 = 481,457.67/x
  3. Step 3: Cross multiply
    889,355.94x = 1,227,309.78 × 481,457.67
  4. Step 4: Simplify right side
    889,355.94x = 590,897,707,047.01
  5. Step 5: Solve for x
    x = 590,897,707,047.01/889,355.94
  6. Step 6: Final answer
    x = 664,410.82

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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.