Home / 880,945.88-1,321,418.81-382,309.88

Finding the Fourth Proportional to 880,945.88, 1,321,418.81 and 382,309.88

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Solution

The fourth proportional to 880,945.88, 1,321,418.81 and 382,309.88 is: 573,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,945.88 : 1,321,418.81 = 382,309.88 : x
  2. Step 2: Convert to fraction form
    880,945.88/1,321,418.81 = 382,309.88/x
  3. Step 3: Cross multiply
    880,945.88x = 1,321,418.81 × 382,309.88
  4. Step 4: Simplify right side
    880,945.88x = 505,191,461,029.52
  5. Step 5: Solve for x
    x = 505,191,461,029.52/880,945.88
  6. Step 6: Final answer
    x = 573,464.81

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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.