Home / 889,863.60-1,334,522.70-321,175.26

Finding the Fourth Proportional to 889,863.60, 1,334,522.70 and 321,175.26

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Solution

The fourth proportional to 889,863.60, 1,334,522.70 and 321,175.26 is: 481,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,863.60 : 1,334,522.70 = 321,175.26 : x
  2. Step 2: Convert to fraction form
    889,863.60/1,334,522.70 = 321,175.26/x
  3. Step 3: Cross multiply
    889,863.60x = 1,334,522.70 × 321,175.26
  4. Step 4: Simplify right side
    889,863.60x = 428,615,675,148.40
  5. Step 5: Solve for x
    x = 428,615,675,148.40/889,863.60
  6. Step 6: Final answer
    x = 481,664.47

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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.