Home / 842,647.94-1,263,714.84-443,071.94

Finding the Fourth Proportional to 842,647.94, 1,263,714.84 and 443,071.94

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Solution

The fourth proportional to 842,647.94, 1,263,714.84 and 443,071.94 is: 664,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,647.94 : 1,263,714.84 = 443,071.94 : x
  2. Step 2: Convert to fraction form
    842,647.94/1,263,714.84 = 443,071.94/x
  3. Step 3: Cross multiply
    842,647.94x = 1,263,714.84 × 443,071.94
  4. Step 4: Simplify right side
    842,647.94x = 559,916,585,765.59
  5. Step 5: Solve for x
    x = 559,916,585,765.59/842,647.94
  6. Step 6: Final answer
    x = 664,472.74

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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.