Home / 915,974.60-1,373,592.74-276,080.27

Finding the Fourth Proportional to 915,974.60, 1,373,592.74 and 276,080.27

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Solution

The fourth proportional to 915,974.60, 1,373,592.74 and 276,080.27 is: 414,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,974.60 : 1,373,592.74 = 276,080.27 : x
  2. Step 2: Convert to fraction form
    915,974.60/1,373,592.74 = 276,080.27/x
  3. Step 3: Cross multiply
    915,974.60x = 1,373,592.74 × 276,080.27
  4. Step 4: Simplify right side
    915,974.60x = 379,221,857,870.56
  5. Step 5: Solve for x
    x = 379,221,857,870.56/915,974.60
  6. Step 6: Final answer
    x = 414,009.14

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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.