Home / 669,273.70-1,004,278.89-290,197.34

Finding the Fourth Proportional to 669,273.70, 1,004,278.89 and 290,197.34

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Solution

The fourth proportional to 669,273.70, 1,004,278.89 and 290,197.34 is: 435,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,273.70 : 1,004,278.89 = 290,197.34 : x
  2. Step 2: Convert to fraction form
    669,273.70/1,004,278.89 = 290,197.34/x
  3. Step 3: Cross multiply
    669,273.70x = 1,004,278.89 × 290,197.34
  4. Step 4: Simplify right side
    669,273.70x = 291,439,062,496.15
  5. Step 5: Solve for x
    x = 291,439,062,496.15/669,273.70
  6. Step 6: Final answer
    x = 435,455.72

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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.