Home / 857,465.32-1,285,076.76-351,433.84

Finding the Fourth Proportional to 857,465.32, 1,285,076.76 and 351,433.84

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Solution

The fourth proportional to 857,465.32, 1,285,076.76 and 351,433.84 is: 526,691.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,465.32 : 1,285,076.76 = 351,433.84 : x
  2. Step 2: Convert to fraction form
    857,465.32/1,285,076.76 = 351,433.84/x
  3. Step 3: Cross multiply
    857,465.32x = 1,285,076.76 × 351,433.84
  4. Step 4: Simplify right side
    857,465.32x = 451,619,460,461.56
  5. Step 5: Solve for x
    x = 451,619,460,461.56/857,465.32
  6. Step 6: Final answer
    x = 526,691.23

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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.