Home / 669,966.80-1,004,734.23-220,580.67

Finding the Fourth Proportional to 669,966.80, 1,004,734.23 and 220,580.67

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Solution

The fourth proportional to 669,966.80, 1,004,734.23 and 220,580.67 is: 330,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,966.80 : 1,004,734.23 = 220,580.67 : x
  2. Step 2: Convert to fraction form
    669,966.80/1,004,734.23 = 220,580.67/x
  3. Step 3: Cross multiply
    669,966.80x = 1,004,734.23 × 220,580.67
  4. Step 4: Simplify right side
    669,966.80x = 221,624,949,625.33
  5. Step 5: Solve for x
    x = 221,624,949,625.33/669,966.80
  6. Step 6: Final answer
    x = 330,799.90

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1.5x scale

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.