Home / 774,694.32-1,162,108.43-213,728.82

Finding the Fourth Proportional to 774,694.32, 1,162,108.43 and 213,728.82

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Solution

The fourth proportional to 774,694.32, 1,162,108.43 and 213,728.82 is: 320,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,694.32 : 1,162,108.43 = 213,728.82 : x
  2. Step 2: Convert to fraction form
    774,694.32/1,162,108.43 = 213,728.82/x
  3. Step 3: Cross multiply
    774,694.32x = 1,162,108.43 × 213,728.82
  4. Step 4: Simplify right side
    774,694.32x = 248,376,063,455.95
  5. Step 5: Solve for x
    x = 248,376,063,455.95/774,694.32
  6. Step 6: Final answer
    x = 320,611.70

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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.