Home / 857,478.32-1,285,096.25-351,446.84

Finding the Fourth Proportional to 857,478.32, 1,285,096.25 and 351,446.84

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Solution

The fourth proportional to 857,478.32, 1,285,096.25 and 351,446.84 is: 526,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,478.32 : 1,285,096.25 = 351,446.84 : x
  2. Step 2: Convert to fraction form
    857,478.32/1,285,096.25 = 351,446.84/x
  3. Step 3: Cross multiply
    857,478.32x = 1,285,096.25 × 351,446.84
  4. Step 4: Simplify right side
    857,478.32x = 451,643,016,158.35
  5. Step 5: Solve for x
    x = 451,643,016,158.35/857,478.32
  6. Step 6: Final answer
    x = 526,710.71

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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.