Home / 777,880.73-1,166,992.48-238,141.09

Finding the Fourth Proportional to 777,880.73, 1,166,992.48 and 238,141.09

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Solution

The fourth proportional to 777,880.73, 1,166,992.48 and 238,141.09 is: 357,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,880.73 : 1,166,992.48 = 238,141.09 : x
  2. Step 2: Convert to fraction form
    777,880.73/1,166,992.48 = 238,141.09/x
  3. Step 3: Cross multiply
    777,880.73x = 1,166,992.48 × 238,141.09
  4. Step 4: Simplify right side
    777,880.73x = 277,908,863,601.86
  5. Step 5: Solve for x
    x = 277,908,863,601.86/777,880.73
  6. Step 6: Final answer
    x = 357,264.10

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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.