Home / 852,288.83-1,278,100.93-319,519.47

Finding the Fourth Proportional to 852,288.83, 1,278,100.93 and 319,519.47

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Solution

The fourth proportional to 852,288.83, 1,278,100.93 and 319,519.47 is: 479,154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,288.83 : 1,278,100.93 = 319,519.47 : x
  2. Step 2: Convert to fraction form
    852,288.83/1,278,100.93 = 319,519.47/x
  3. Step 3: Cross multiply
    852,288.83x = 1,278,100.93 × 319,519.47
  4. Step 4: Simplify right side
    852,288.83x = 408,378,130,162.51
  5. Step 5: Solve for x
    x = 408,378,130,162.51/852,288.83
  6. Step 6: Final answer
    x = 479,154.62

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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.