Home / 669,272.70-1,004,277.39-290,196.34

Finding the Fourth Proportional to 669,272.70, 1,004,277.39 and 290,196.34

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Solution

The fourth proportional to 669,272.70, 1,004,277.39 and 290,196.34 is: 435,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,272.70 : 1,004,277.39 = 290,196.34 : x
  2. Step 2: Convert to fraction form
    669,272.70/1,004,277.39 = 290,196.34/x
  3. Step 3: Cross multiply
    669,272.70x = 1,004,277.39 × 290,196.34
  4. Step 4: Simplify right side
    669,272.70x = 291,437,622,922.75
  5. Step 5: Solve for x
    x = 291,437,622,922.75/669,272.70
  6. Step 6: Final answer
    x = 435,454.22

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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.