Home / 645,759.06-968,628.87-290,522.22

Finding the Fourth Proportional to 645,759.06, 968,628.87 and 290,522.22

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Solution

The fourth proportional to 645,759.06, 968,628.87 and 290,522.22 is: 435,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,759.06 : 968,628.87 = 290,522.22 : x
  2. Step 2: Convert to fraction form
    645,759.06/968,628.87 = 290,522.22/x
  3. Step 3: Cross multiply
    645,759.06x = 968,628.87 × 290,522.22
  4. Step 4: Simplify right side
    645,759.06x = 281,408,209,668.49
  5. Step 5: Solve for x
    x = 281,408,209,668.49/645,759.06
  6. Step 6: Final answer
    x = 435,778.96

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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.