Home / 857,037.42-1,285,371.60-351,102.30

Finding the Fourth Proportional to 857,037.42, 1,285,371.60 and 351,102.30

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Solution

The fourth proportional to 857,037.42, 1,285,371.60 and 351,102.30 is: 526,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,037.42 : 1,285,371.60 = 351,102.30 : x
  2. Step 2: Convert to fraction form
    857,037.42/1,285,371.60 = 351,102.30/x
  3. Step 3: Cross multiply
    857,037.42x = 1,285,371.60 × 351,102.30
  4. Step 4: Simplify right side
    857,037.42x = 451,296,925,114.68
  5. Step 5: Solve for x
    x = 451,296,925,114.68/857,037.42
  6. Step 6: Final answer
    x = 526,577.85

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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.