Home / 548,146.02-756,446.88-306,441.80

Finding the Fourth Proportional to 548,146.02, 756,446.88 and 306,441.80

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Solution

The fourth proportional to 548,146.02, 756,446.88 and 306,441.80 is: 422,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,146.02 : 756,446.88 = 306,441.80 : x
  2. Step 2: Convert to fraction form
    548,146.02/756,446.88 = 306,441.80/x
  3. Step 3: Cross multiply
    548,146.02x = 756,446.88 × 306,441.80
  4. Step 4: Simplify right side
    548,146.02x = 231,806,943,511.58
  5. Step 5: Solve for x
    x = 231,806,943,511.58/548,146.02
  6. Step 6: Final answer
    x = 422,892.69

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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.