Home / 907,398.78-1,361,098.20-276,318.06

Finding the Fourth Proportional to 907,398.78, 1,361,098.20 and 276,318.06

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Solution

The fourth proportional to 907,398.78, 1,361,098.20 and 276,318.06 is: 414,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,398.78 : 1,361,098.20 = 276,318.06 : x
  2. Step 2: Convert to fraction form
    907,398.78/1,361,098.20 = 276,318.06/x
  3. Step 3: Cross multiply
    907,398.78x = 1,361,098.20 × 276,318.06
  4. Step 4: Simplify right side
    907,398.78x = 376,096,014,093.49
  5. Step 5: Solve for x
    x = 376,096,014,093.49/907,398.78
  6. Step 6: Final answer
    x = 414,477.10

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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.