Home / 692,932.36-1,039,496.96-213,199.90

Finding the Fourth Proportional to 692,932.36, 1,039,496.96 and 213,199.90

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Solution

The fourth proportional to 692,932.36, 1,039,496.96 and 213,199.90 is: 319,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,932.36 : 1,039,496.96 = 213,199.90 : x
  2. Step 2: Convert to fraction form
    692,932.36/1,039,496.96 = 213,199.90/x
  3. Step 3: Cross multiply
    692,932.36x = 1,039,496.96 × 213,199.90
  4. Step 4: Simplify right side
    692,932.36x = 221,620,647,922.30
  5. Step 5: Solve for x
    x = 221,620,647,922.30/692,932.36
  6. Step 6: Final answer
    x = 319,830.13

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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.