Home / 940,432-1,410,464.32-300,564.10

Finding the Fourth Proportional to 940,432, 1,410,464.32 and 300,564.10

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Solution

The fourth proportional to 940,432, 1,410,464.32 and 300,564.10 is: 450,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,432 : 1,410,464.32 = 300,564.10 : x
  2. Step 2: Convert to fraction form
    940,432/1,410,464.32 = 300,564.10/x
  3. Step 3: Cross multiply
    940,432x = 1,410,464.32 × 300,564.10
  4. Step 4: Simplify right side
    940,432x = 423,934,930,367.77
  5. Step 5: Solve for x
    x = 423,934,930,367.77/940,432
  6. Step 6: Final answer
    x = 450,787.44

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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.