Home / 762,163.56-1,051,785.74-422,631.82

Finding the Fourth Proportional to 762,163.56, 1,051,785.74 and 422,631.82

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Solution

The fourth proportional to 762,163.56, 1,051,785.74 and 422,631.82 is: 583,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,163.56 : 1,051,785.74 = 422,631.82 : x
  2. Step 2: Convert to fraction form
    762,163.56/1,051,785.74 = 422,631.82/x
  3. Step 3: Cross multiply
    762,163.56x = 1,051,785.74 × 422,631.82
  4. Step 4: Simplify right side
    762,163.56x = 444,518,121,546.25
  5. Step 5: Solve for x
    x = 444,518,121,546.25/762,163.56
  6. Step 6: Final answer
    x = 583,231.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.