Home / 621,173.46-932,258.49-321,739.67

Finding the Fourth Proportional to 621,173.46, 932,258.49 and 321,739.67

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Solution

The fourth proportional to 621,173.46, 932,258.49 and 321,739.67 is: 482,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,173.46 : 932,258.49 = 321,739.67 : x
  2. Step 2: Convert to fraction form
    621,173.46/932,258.49 = 321,739.67/x
  3. Step 3: Cross multiply
    621,173.46x = 932,258.49 × 321,739.67
  4. Step 4: Simplify right side
    621,173.46x = 299,944,538,334.34
  5. Step 5: Solve for x
    x = 299,944,538,334.34/621,173.46
  6. Step 6: Final answer
    x = 482,867.60

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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.