Home / 784,639.80-1,176,959.70-252,214.65

Finding the Fourth Proportional to 784,639.80, 1,176,959.70 and 252,214.65

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Solution

The fourth proportional to 784,639.80, 1,176,959.70 and 252,214.65 is: 378,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,639.80 : 1,176,959.70 = 252,214.65 : x
  2. Step 2: Convert to fraction form
    784,639.80/1,176,959.70 = 252,214.65/x
  3. Step 3: Cross multiply
    784,639.80x = 1,176,959.70 × 252,214.65
  4. Step 4: Simplify right side
    784,639.80x = 296,846,478,799.61
  5. Step 5: Solve for x
    x = 296,846,478,799.61/784,639.80
  6. Step 6: Final answer
    x = 378,321.98

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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.