Home / 907,515.54-1,361,428.83-276,311.70

Finding the Fourth Proportional to 907,515.54, 1,361,428.83 and 276,311.70

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Solution

The fourth proportional to 907,515.54, 1,361,428.83 and 276,311.70 is: 414,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,515.54 : 1,361,428.83 = 276,311.70 : x
  2. Step 2: Convert to fraction form
    907,515.54/1,361,428.83 = 276,311.70/x
  3. Step 3: Cross multiply
    907,515.54x = 1,361,428.83 × 276,311.70
  4. Step 4: Simplify right side
    907,515.54x = 376,178,714,446.31
  5. Step 5: Solve for x
    x = 376,178,714,446.31/907,515.54
  6. Step 6: Final answer
    x = 414,514.90

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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.