Home / 852,247.27-1,278,320.73-319,723.66

Finding the Fourth Proportional to 852,247.27, 1,278,320.73 and 319,723.66

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Solution

The fourth proportional to 852,247.27, 1,278,320.73 and 319,723.66 is: 479,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,247.27 : 1,278,320.73 = 319,723.66 : x
  2. Step 2: Convert to fraction form
    852,247.27/1,278,320.73 = 319,723.66/x
  3. Step 3: Cross multiply
    852,247.27x = 1,278,320.73 × 319,723.66
  4. Step 4: Simplify right side
    852,247.27x = 408,709,382,449.47
  5. Step 5: Solve for x
    x = 408,709,382,449.47/852,247.27
  6. Step 6: Final answer
    x = 479,566.67

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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.