Home / 857,942.46-1,183,865.67-475,873.98

Finding the Fourth Proportional to 857,942.46, 1,183,865.67 and 475,873.98

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Solution

The fourth proportional to 857,942.46, 1,183,865.67 and 475,873.98 is: 656,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,942.46 : 1,183,865.67 = 475,873.98 : x
  2. Step 2: Convert to fraction form
    857,942.46/1,183,865.67 = 475,873.98/x
  3. Step 3: Cross multiply
    857,942.46x = 1,183,865.67 × 475,873.98
  4. Step 4: Simplify right side
    857,942.46x = 563,370,868,168.27
  5. Step 5: Solve for x
    x = 563,370,868,168.27/857,942.46
  6. Step 6: Final answer
    x = 656,653.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.