Home / 437,639.68-603,944.40-276,566.32

Finding the Fourth Proportional to 437,639.68, 603,944.40 and 276,566.32

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Solution

The fourth proportional to 437,639.68, 603,944.40 and 276,566.32 is: 381,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,639.68 : 603,944.40 = 276,566.32 : x
  2. Step 2: Convert to fraction form
    437,639.68/603,944.40 = 276,566.32/x
  3. Step 3: Cross multiply
    437,639.68x = 603,944.40 × 276,566.32
  4. Step 4: Simplify right side
    437,639.68x = 167,030,680,192.61
  5. Step 5: Solve for x
    x = 167,030,680,192.61/437,639.68
  6. Step 6: Final answer
    x = 381,662.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.