Home / 881,360.10-1,322,034.28-425,419.16

Finding the Fourth Proportional to 881,360.10, 1,322,034.28 and 425,419.16

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Solution

The fourth proportional to 881,360.10, 1,322,034.28 and 425,419.16 is: 638,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,360.10 : 1,322,034.28 = 425,419.16 : x
  2. Step 2: Convert to fraction form
    881,360.10/1,322,034.28 = 425,419.16/x
  3. Step 3: Cross multiply
    881,360.10x = 1,322,034.28 × 425,419.16
  4. Step 4: Simplify right side
    881,360.10x = 562,418,705,215.09
  5. Step 5: Solve for x
    x = 562,418,705,215.09/881,360.10
  6. Step 6: Final answer
    x = 638,125.90

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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.