Home / 852,975.78-1,279,465.29-221,888.58

Finding the Fourth Proportional to 852,975.78, 1,279,465.29 and 221,888.58

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Solution

The fourth proportional to 852,975.78, 1,279,465.29 and 221,888.58 is: 332,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,975.78 : 1,279,465.29 = 221,888.58 : x
  2. Step 2: Convert to fraction form
    852,975.78/1,279,465.29 = 221,888.58/x
  3. Step 3: Cross multiply
    852,975.78x = 1,279,465.29 × 221,888.58
  4. Step 4: Simplify right side
    852,975.78x = 283,898,736,357.39
  5. Step 5: Solve for x
    x = 283,898,736,357.39/852,975.78
  6. Step 6: Final answer
    x = 332,833.29

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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.