Home / 792,628.70-1,188,693.28-260,025.62

Finding the Fourth Proportional to 792,628.70, 1,188,693.28 and 260,025.62

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Solution

The fourth proportional to 792,628.70, 1,188,693.28 and 260,025.62 is: 389,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,628.70 : 1,188,693.28 = 260,025.62 : x
  2. Step 2: Convert to fraction form
    792,628.70/1,188,693.28 = 260,025.62/x
  3. Step 3: Cross multiply
    792,628.70x = 1,188,693.28 × 260,025.62
  4. Step 4: Simplify right side
    792,628.70x = 309,090,700,528.30
  5. Step 5: Solve for x
    x = 309,090,700,528.30/792,628.70
  6. Step 6: Final answer
    x = 389,956.49

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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.