Home / 889,668.88-1,334,227.31-320,976.05

Finding the Fourth Proportional to 889,668.88, 1,334,227.31 and 320,976.05

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Solution

The fourth proportional to 889,668.88, 1,334,227.31 and 320,976.05 is: 481,364.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,668.88 : 1,334,227.31 = 320,976.05 : x
  2. Step 2: Convert to fraction form
    889,668.88/1,334,227.31 = 320,976.05/x
  3. Step 3: Cross multiply
    889,668.88x = 1,334,227.31 × 320,976.05
  4. Step 4: Simplify right side
    889,668.88x = 428,255,012,198.60
  5. Step 5: Solve for x
    x = 428,255,012,198.60/889,668.88
  6. Step 6: Final answer
    x = 481,364.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.