Home / 764,263.38-1,144,818.98-447,760.02

Finding the Fourth Proportional to 764,263.38, 1,144,818.98 and 447,760.02

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Solution

The fourth proportional to 764,263.38, 1,144,818.98 and 447,760.02 is: 670,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,263.38 : 1,144,818.98 = 447,760.02 : x
  2. Step 2: Convert to fraction form
    764,263.38/1,144,818.98 = 447,760.02/x
  3. Step 3: Cross multiply
    764,263.38x = 1,144,818.98 × 447,760.02
  4. Step 4: Simplify right side
    764,263.38x = 512,604,169,381.18
  5. Step 5: Solve for x
    x = 512,604,169,381.18/764,263.38
  6. Step 6: Final answer
    x = 670,716.64

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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.