Home / 689,635.56-1,033,577.33-310,150.97

Finding the Fourth Proportional to 689,635.56, 1,033,577.33 and 310,150.97

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Solution

The fourth proportional to 689,635.56, 1,033,577.33 and 310,150.97 is: 464,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,635.56 : 1,033,577.33 = 310,150.97 : x
  2. Step 2: Convert to fraction form
    689,635.56/1,033,577.33 = 310,150.97/x
  3. Step 3: Cross multiply
    689,635.56x = 1,033,577.33 × 310,150.97
  4. Step 4: Simplify right side
    689,635.56x = 320,565,004,750.87
  5. Step 5: Solve for x
    x = 320,565,004,750.87/689,635.56
  6. Step 6: Final answer
    x = 464,832.48

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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.