Home / 652,825.82-979,234.05-459,906.32

Finding the Fourth Proportional to 652,825.82, 979,234.05 and 459,906.32

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Solution

The fourth proportional to 652,825.82, 979,234.05 and 459,906.32 is: 689,856.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,825.82 : 979,234.05 = 459,906.32 : x
  2. Step 2: Convert to fraction form
    652,825.82/979,234.05 = 459,906.32/x
  3. Step 3: Cross multiply
    652,825.82x = 979,234.05 × 459,906.32
  4. Step 4: Simplify right side
    652,825.82x = 450,355,928,354.20
  5. Step 5: Solve for x
    x = 450,355,928,354.20/652,825.82
  6. Step 6: Final answer
    x = 689,856.18

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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.