Home / 690,878.45-1,036,317.68-241,449.95

Finding the Fourth Proportional to 690,878.45, 1,036,317.68 and 241,449.95

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Solution

The fourth proportional to 690,878.45, 1,036,317.68 and 241,449.95 is: 362,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,878.45 : 1,036,317.68 = 241,449.95 : x
  2. Step 2: Convert to fraction form
    690,878.45/1,036,317.68 = 241,449.95/x
  3. Step 3: Cross multiply
    690,878.45x = 1,036,317.68 × 241,449.95
  4. Step 4: Simplify right side
    690,878.45x = 250,218,852,020.12
  5. Step 5: Solve for x
    x = 250,218,852,020.12/690,878.45
  6. Step 6: Final answer
    x = 362,174.93

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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.