Home / 889,759.13-1,334,362.68-321,066.23

Finding the Fourth Proportional to 889,759.13, 1,334,362.68 and 321,066.23

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Solution

The fourth proportional to 889,759.13, 1,334,362.68 and 321,066.23 is: 481,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,759.13 : 1,334,362.68 = 321,066.23 : x
  2. Step 2: Convert to fraction form
    889,759.13/1,334,362.68 = 321,066.23/x
  3. Step 3: Cross multiply
    889,759.13x = 1,334,362.68 × 321,066.23
  4. Step 4: Simplify right side
    889,759.13x = 428,418,788,448.48
  5. Step 5: Solve for x
    x = 428,418,788,448.48/889,759.13
  6. Step 6: Final answer
    x = 481,499.74

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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.