Home / 764,354.88-1,146,993.12-266,068.80

Finding the Fourth Proportional to 764,354.88, 1,146,993.12 and 266,068.80

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Solution

The fourth proportional to 764,354.88, 1,146,993.12 and 266,068.80 is: 399,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,354.88 : 1,146,993.12 = 266,068.80 : x
  2. Step 2: Convert to fraction form
    764,354.88/1,146,993.12 = 266,068.80/x
  3. Step 3: Cross multiply
    764,354.88x = 1,146,993.12 × 266,068.80
  4. Step 4: Simplify right side
    764,354.88x = 305,179,083,046.66
  5. Step 5: Solve for x
    x = 305,179,083,046.66/764,354.88
  6. Step 6: Final answer
    x = 399,263.60

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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.