Home / 784,515.45-1,176,949.22-252,066.81

Finding the Fourth Proportional to 784,515.45, 1,176,949.22 and 252,066.81

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Solution

The fourth proportional to 784,515.45, 1,176,949.22 and 252,066.81 is: 378,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,515.45 : 1,176,949.22 = 252,066.81 : x
  2. Step 2: Convert to fraction form
    784,515.45/1,176,949.22 = 252,066.81/x
  3. Step 3: Cross multiply
    784,515.45x = 1,176,949.22 × 252,066.81
  4. Step 4: Simplify right side
    784,515.45x = 296,669,834,157.05
  5. Step 5: Solve for x
    x = 296,669,834,157.05/784,515.45
  6. Step 6: Final answer
    x = 378,156.78

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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.