Home / 490,025.84-734,054.60-223,419.61

Finding the Fourth Proportional to 490,025.84, 734,054.60 and 223,419.61

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Solution

The fourth proportional to 490,025.84, 734,054.60 and 223,419.61 is: 334,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,025.84 : 734,054.60 = 223,419.61 : x
  2. Step 2: Convert to fraction form
    490,025.84/734,054.60 = 223,419.61/x
  3. Step 3: Cross multiply
    490,025.84x = 734,054.60 × 223,419.61
  4. Step 4: Simplify right side
    490,025.84x = 164,002,192,450.71
  5. Step 5: Solve for x
    x = 164,002,192,450.71/490,025.84
  6. Step 6: Final answer
    x = 334,680.70

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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.