Home / 669,583.62-1,004,264.46-220,310.10

Finding the Fourth Proportional to 669,583.62, 1,004,264.46 and 220,310.10

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Solution

The fourth proportional to 669,583.62, 1,004,264.46 and 220,310.10 is: 330,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,583.62 : 1,004,264.46 = 220,310.10 : x
  2. Step 2: Convert to fraction form
    669,583.62/1,004,264.46 = 220,310.10/x
  3. Step 3: Cross multiply
    669,583.62x = 1,004,264.46 × 220,310.10
  4. Step 4: Simplify right side
    669,583.62x = 221,249,603,609.05
  5. Step 5: Solve for x
    x = 221,249,603,609.05/669,583.62
  6. Step 6: Final answer
    x = 330,428.64

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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.