Home / 881,579.64-1,322,264.34-521,965.56

Finding the Fourth Proportional to 881,579.64, 1,322,264.34 and 521,965.56

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Solution

The fourth proportional to 881,579.64, 1,322,264.34 and 521,965.56 is: 782,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,579.64 : 1,322,264.34 = 521,965.56 : x
  2. Step 2: Convert to fraction form
    881,579.64/1,322,264.34 = 521,965.56/x
  3. Step 3: Cross multiply
    881,579.64x = 1,322,264.34 × 521,965.56
  4. Step 4: Simplify right side
    881,579.64x = 690,176,446,696.13
  5. Step 5: Solve for x
    x = 690,176,446,696.13/881,579.64
  6. Step 6: Final answer
    x = 782,886.10

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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.