Home / 889,733.99-1,334,325.22-321,041.55

Finding the Fourth Proportional to 889,733.99, 1,334,325.22 and 321,041.55

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Solution

The fourth proportional to 889,733.99, 1,334,325.22 and 321,041.55 is: 481,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,733.99 : 1,334,325.22 = 321,041.55 : x
  2. Step 2: Convert to fraction form
    889,733.99/1,334,325.22 = 321,041.55/x
  3. Step 3: Cross multiply
    889,733.99x = 1,334,325.22 × 321,041.55
  4. Step 4: Simplify right side
    889,733.99x = 428,373,836,832.89
  5. Step 5: Solve for x
    x = 428,373,836,832.89/889,733.99
  6. Step 6: Final answer
    x = 481,462.82

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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.