Home / 797,428.98-1,196,147.88-198,390.12

Finding the Fourth Proportional to 797,428.98, 1,196,147.88 and 198,390.12

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Solution

The fourth proportional to 797,428.98, 1,196,147.88 and 198,390.12 is: 297,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,428.98 : 1,196,147.88 = 198,390.12 : x
  2. Step 2: Convert to fraction form
    797,428.98/1,196,147.88 = 198,390.12/x
  3. Step 3: Cross multiply
    797,428.98x = 1,196,147.88 × 198,390.12
  4. Step 4: Simplify right side
    797,428.98x = 237,303,921,450.95
  5. Step 5: Solve for x
    x = 237,303,921,450.95/797,428.98
  6. Step 6: Final answer
    x = 297,586.28

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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.