Home / 669,967.80-1,004,735.73-220,581.67

Finding the Fourth Proportional to 669,967.80, 1,004,735.73 and 220,581.67

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Solution

The fourth proportional to 669,967.80, 1,004,735.73 and 220,581.67 is: 330,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,967.80 : 1,004,735.73 = 220,581.67 : x
  2. Step 2: Convert to fraction form
    669,967.80/1,004,735.73 = 220,581.67/x
  3. Step 3: Cross multiply
    669,967.80x = 1,004,735.73 × 220,581.67
  4. Step 4: Simplify right side
    669,967.80x = 221,626,285,232.07
  5. Step 5: Solve for x
    x = 221,626,285,232.07/669,967.80
  6. Step 6: Final answer
    x = 330,801.40

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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.