Home / 852,290.58-1,278,103.55-319,521.22

Finding the Fourth Proportional to 852,290.58, 1,278,103.55 and 319,521.22

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Solution

The fourth proportional to 852,290.58, 1,278,103.55 and 319,521.22 is: 479,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,290.58 : 1,278,103.55 = 319,521.22 : x
  2. Step 2: Convert to fraction form
    852,290.58/1,278,103.55 = 319,521.22/x
  3. Step 3: Cross multiply
    852,290.58x = 1,278,103.55 × 319,521.22
  4. Step 4: Simplify right side
    852,290.58x = 408,381,205,582.33
  5. Step 5: Solve for x
    x = 408,381,205,582.33/852,290.58
  6. Step 6: Final answer
    x = 479,157.24

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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.