Home / 784,501.20-1,176,927.84-252,052.56

Finding the Fourth Proportional to 784,501.20, 1,176,927.84 and 252,052.56

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Solution

The fourth proportional to 784,501.20, 1,176,927.84 and 252,052.56 is: 378,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,501.20 : 1,176,927.84 = 252,052.56 : x
  2. Step 2: Convert to fraction form
    784,501.20/1,176,927.84 = 252,052.56/x
  3. Step 3: Cross multiply
    784,501.20x = 1,176,927.84 × 252,052.56
  4. Step 4: Simplify right side
    784,501.20x = 296,647,675,007.27
  5. Step 5: Solve for x
    x = 296,647,675,007.27/784,501.20
  6. Step 6: Final answer
    x = 378,135.40

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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.