Home / 980,086.40-1,470,179.84-270,098.72

Finding the Fourth Proportional to 980,086.40, 1,470,179.84 and 270,098.72

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Solution

The fourth proportional to 980,086.40, 1,470,179.84 and 270,098.72 is: 405,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,086.40 : 1,470,179.84 = 270,098.72 : x
  2. Step 2: Convert to fraction form
    980,086.40/1,470,179.84 = 270,098.72/x
  3. Step 3: Cross multiply
    980,086.40x = 1,470,179.84 × 270,098.72
  4. Step 4: Simplify right side
    980,086.40x = 397,093,692,953.81
  5. Step 5: Solve for x
    x = 397,093,692,953.81/980,086.40
  6. Step 6: Final answer
    x = 405,161.93

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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.