Home / 881,931.12-1,322,579.22-305,398.28

Finding the Fourth Proportional to 881,931.12, 1,322,579.22 and 305,398.28

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Solution

The fourth proportional to 881,931.12, 1,322,579.22 and 305,398.28 is: 457,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,931.12 : 1,322,579.22 = 305,398.28 : x
  2. Step 2: Convert to fraction form
    881,931.12/1,322,579.22 = 305,398.28/x
  3. Step 3: Cross multiply
    881,931.12x = 1,322,579.22 × 305,398.28
  4. Step 4: Simplify right side
    881,931.12x = 403,913,410,811.85
  5. Step 5: Solve for x
    x = 403,913,410,811.85/881,931.12
  6. Step 6: Final answer
    x = 457,987.48

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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.