Home / 852,418.24-1,278,468.96-283,808.32

Finding the Fourth Proportional to 852,418.24, 1,278,468.96 and 283,808.32

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Solution

The fourth proportional to 852,418.24, 1,278,468.96 and 283,808.32 is: 425,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,418.24 : 1,278,468.96 = 283,808.32 : x
  2. Step 2: Convert to fraction form
    852,418.24/1,278,468.96 = 283,808.32/x
  3. Step 3: Cross multiply
    852,418.24x = 1,278,468.96 × 283,808.32
  4. Step 4: Simplify right side
    852,418.24x = 362,840,127,709.75
  5. Step 5: Solve for x
    x = 362,840,127,709.75/852,418.24
  6. Step 6: Final answer
    x = 425,659.74

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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.