Home / 505,793.07-697,986.28-276,345.43

Finding the Fourth Proportional to 505,793.07, 697,986.28 and 276,345.43

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Solution

The fourth proportional to 505,793.07, 697,986.28 and 276,345.43 is: 381,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,793.07 : 697,986.28 = 276,345.43 : x
  2. Step 2: Convert to fraction form
    505,793.07/697,986.28 = 276,345.43/x
  3. Step 3: Cross multiply
    505,793.07x = 697,986.28 × 276,345.43
  4. Step 4: Simplify right side
    505,793.07x = 192,885,318,680.70
  5. Step 5: Solve for x
    x = 192,885,318,680.70/505,793.07
  6. Step 6: Final answer
    x = 381,352.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.