Home / 702,756.50-1,054,163.91-204,120.50

Finding the Fourth Proportional to 702,756.50, 1,054,163.91 and 204,120.50

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Solution

The fourth proportional to 702,756.50, 1,054,163.91 and 204,120.50 is: 306,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,756.50 : 1,054,163.91 = 204,120.50 : x
  2. Step 2: Convert to fraction form
    702,756.50/1,054,163.91 = 204,120.50/x
  3. Step 3: Cross multiply
    702,756.50x = 1,054,163.91 × 204,120.50
  4. Step 4: Simplify right side
    702,756.50x = 215,176,464,391.16
  5. Step 5: Solve for x
    x = 215,176,464,391.16/702,756.50
  6. Step 6: Final answer
    x = 306,189.22

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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.