Home / 728,955.48-1,093,442.94-255,654.66

Finding the Fourth Proportional to 728,955.48, 1,093,442.94 and 255,654.66

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Solution

The fourth proportional to 728,955.48, 1,093,442.94 and 255,654.66 is: 383,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,955.48 : 1,093,442.94 = 255,654.66 : x
  2. Step 2: Convert to fraction form
    728,955.48/1,093,442.94 = 255,654.66/x
  3. Step 3: Cross multiply
    728,955.48x = 1,093,442.94 × 255,654.66
  4. Step 4: Simplify right side
    728,955.48x = 279,543,783,055.10
  5. Step 5: Solve for x
    x = 279,543,783,055.10/728,955.48
  6. Step 6: Final answer
    x = 383,485.40

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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.