Home / 669,948.87-1,004,906.70-164,505.63

Finding the Fourth Proportional to 669,948.87, 1,004,906.70 and 164,505.63

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Solution

The fourth proportional to 669,948.87, 1,004,906.70 and 164,505.63 is: 246,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,948.87 : 1,004,906.70 = 164,505.63 : x
  2. Step 2: Convert to fraction form
    669,948.87/1,004,906.70 = 164,505.63/x
  3. Step 3: Cross multiply
    669,948.87x = 1,004,906.70 × 164,505.63
  4. Step 4: Simplify right side
    669,948.87x = 165,312,809,774.72
  5. Step 5: Solve for x
    x = 165,312,809,774.72/669,948.87
  6. Step 6: Final answer
    x = 246,754.37

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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.