Home / 784,731-1,177,107.45-223,765.50

Finding the Fourth Proportional to 784,731, 1,177,107.45 and 223,765.50

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Solution

The fourth proportional to 784,731, 1,177,107.45 and 223,765.50 is: 335,651.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,731 : 1,177,107.45 = 223,765.50 : x
  2. Step 2: Convert to fraction form
    784,731/1,177,107.45 = 223,765.50/x
  3. Step 3: Cross multiply
    784,731x = 1,177,107.45 × 223,765.50
  4. Step 4: Simplify right side
    784,731x = 263,396,037,102.98
  5. Step 5: Solve for x
    x = 263,396,037,102.98/784,731
  6. Step 6: Final answer
    x = 335,651.37

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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.