Home / 859,458.24-1,289,188.80-298,098

Finding the Fourth Proportional to 859,458.24, 1,289,188.80 and 298,098

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Solution

The fourth proportional to 859,458.24, 1,289,188.80 and 298,098 is: 447,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,458.24 : 1,289,188.80 = 298,098 : x
  2. Step 2: Convert to fraction form
    859,458.24/1,289,188.80 = 298,098/x
  3. Step 3: Cross multiply
    859,458.24x = 1,289,188.80 × 298,098
  4. Step 4: Simplify right side
    859,458.24x = 384,304,602,902.40
  5. Step 5: Solve for x
    x = 384,304,602,902.40/859,458.24
  6. Step 6: Final answer
    x = 447,147.50

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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.