Home / 889,733.74-1,334,324.84-321,041.30

Finding the Fourth Proportional to 889,733.74, 1,334,324.84 and 321,041.30

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Solution

The fourth proportional to 889,733.74, 1,334,324.84 and 321,041.30 is: 481,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,733.74 : 1,334,324.84 = 321,041.30 : x
  2. Step 2: Convert to fraction form
    889,733.74/1,334,324.84 = 321,041.30/x
  3. Step 3: Cross multiply
    889,733.74x = 1,334,324.84 × 321,041.30
  4. Step 4: Simplify right side
    889,733.74x = 428,373,379,186.68
  5. Step 5: Solve for x
    x = 428,373,379,186.68/889,733.74
  6. Step 6: Final answer
    x = 481,462.44

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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.