Home / 778,005.73-1,166,967.28-238,261.83

Finding the Fourth Proportional to 778,005.73, 1,166,967.28 and 238,261.83

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Solution

The fourth proportional to 778,005.73, 1,166,967.28 and 238,261.83 is: 357,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,005.73 : 1,166,967.28 = 238,261.83 : x
  2. Step 2: Convert to fraction form
    778,005.73/1,166,967.28 = 238,261.83/x
  3. Step 3: Cross multiply
    778,005.73x = 1,166,967.28 × 238,261.83
  4. Step 4: Simplify right side
    778,005.73x = 278,043,759,682.92
  5. Step 5: Solve for x
    x = 278,043,759,682.92/778,005.73
  6. Step 6: Final answer
    x = 357,380.09

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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.