Home / 891,945.41-1,230,887.88-484,047.14

Finding the Fourth Proportional to 891,945.41, 1,230,887.88 and 484,047.14

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Solution

The fourth proportional to 891,945.41, 1,230,887.88 and 484,047.14 is: 667,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,945.41 : 1,230,887.88 = 484,047.14 : x
  2. Step 2: Convert to fraction form
    891,945.41/1,230,887.88 = 484,047.14/x
  3. Step 3: Cross multiply
    891,945.41x = 1,230,887.88 × 484,047.14
  4. Step 4: Simplify right side
    891,945.41x = 595,807,751,820.22
  5. Step 5: Solve for x
    x = 595,807,751,820.22/891,945.41
  6. Step 6: Final answer
    x = 667,986.79

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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.