Home / 764,036.66-1,144,479.98-447,534.02

Finding the Fourth Proportional to 764,036.66, 1,144,479.98 and 447,534.02

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Solution

The fourth proportional to 764,036.66, 1,144,479.98 and 447,534.02 is: 670,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,036.66 : 1,144,479.98 = 447,534.02 : x
  2. Step 2: Convert to fraction form
    764,036.66/1,144,479.98 = 447,534.02/x
  3. Step 3: Cross multiply
    764,036.66x = 1,144,479.98 × 447,534.02
  4. Step 4: Simplify right side
    764,036.66x = 512,193,726,258.92
  5. Step 5: Solve for x
    x = 512,193,726,258.92/764,036.66
  6. Step 6: Final answer
    x = 670,378.47

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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.