Home / 856,952.66-1,285,597.12-317,213.65

Finding the Fourth Proportional to 856,952.66, 1,285,597.12 and 317,213.65

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Solution

The fourth proportional to 856,952.66, 1,285,597.12 and 317,213.65 is: 475,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,952.66 : 1,285,597.12 = 317,213.65 : x
  2. Step 2: Convert to fraction form
    856,952.66/1,285,597.12 = 317,213.65/x
  3. Step 3: Cross multiply
    856,952.66x = 1,285,597.12 × 317,213.65
  4. Step 4: Simplify right side
    856,952.66x = 407,808,950,857.66
  5. Step 5: Solve for x
    x = 407,808,950,857.66/856,952.66
  6. Step 6: Final answer
    x = 475,882.71

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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.