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Finding the Fourth Proportional to 548,099.32, 756,334.98 and 333,209.56

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Solution

The fourth proportional to 548,099.32, 756,334.98 and 333,209.56 is: 459,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,099.32 : 756,334.98 = 333,209.56 : x
  2. Step 2: Convert to fraction form
    548,099.32/756,334.98 = 333,209.56/x
  3. Step 3: Cross multiply
    548,099.32x = 756,334.98 × 333,209.56
  4. Step 4: Simplify right side
    548,099.32x = 252,018,045,898.41
  5. Step 5: Solve for x
    x = 252,018,045,898.41/548,099.32
  6. Step 6: Final answer
    x = 459,803.61

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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.