Home / 889,714.13-1,334,295.18-321,021.23

Finding the Fourth Proportional to 889,714.13, 1,334,295.18 and 321,021.23

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Solution

The fourth proportional to 889,714.13, 1,334,295.18 and 321,021.23 is: 481,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,714.13 : 1,334,295.18 = 321,021.23 : x
  2. Step 2: Convert to fraction form
    889,714.13/1,334,295.18 = 321,021.23/x
  3. Step 3: Cross multiply
    889,714.13x = 1,334,295.18 × 321,021.23
  4. Step 4: Simplify right side
    889,714.13x = 428,337,073,195.20
  5. Step 5: Solve for x
    x = 428,337,073,195.20/889,714.13
  6. Step 6: Final answer
    x = 481,432.25

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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.