Home / 379,028.28-522,435.88-268,683.86

Finding the Fourth Proportional to 379,028.28, 522,435.88 and 268,683.86

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Solution

The fourth proportional to 379,028.28, 522,435.88 and 268,683.86 is: 370,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,028.28 : 522,435.88 = 268,683.86 : x
  2. Step 2: Convert to fraction form
    379,028.28/522,435.88 = 268,683.86/x
  3. Step 3: Cross multiply
    379,028.28x = 522,435.88 × 268,683.86
  4. Step 4: Simplify right side
    379,028.28x = 140,370,088,840.90
  5. Step 5: Solve for x
    x = 140,370,088,840.90/379,028.28
  6. Step 6: Final answer
    x = 370,341.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.