Home / 784,986.70-1,177,716.52-245,221.18

Finding the Fourth Proportional to 784,986.70, 1,177,716.52 and 245,221.18

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Solution

The fourth proportional to 784,986.70, 1,177,716.52 and 245,221.18 is: 367,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,986.70 : 1,177,716.52 = 245,221.18 : x
  2. Step 2: Convert to fraction form
    784,986.70/1,177,716.52 = 245,221.18/x
  3. Step 3: Cross multiply
    784,986.70x = 1,177,716.52 × 245,221.18
  4. Step 4: Simplify right side
    784,986.70x = 288,801,031,217.87
  5. Step 5: Solve for x
    x = 288,801,031,217.87/784,986.70
  6. Step 6: Final answer
    x = 367,905.64

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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.