Home / 863,671.92-1,191,868.84-481,723.32

Finding the Fourth Proportional to 863,671.92, 1,191,868.84 and 481,723.32

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Solution

The fourth proportional to 863,671.92, 1,191,868.84 and 481,723.32 is: 664,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,671.92 : 1,191,868.84 = 481,723.32 : x
  2. Step 2: Convert to fraction form
    863,671.92/1,191,868.84 = 481,723.32/x
  3. Step 3: Cross multiply
    863,671.92x = 1,191,868.84 × 481,723.32
  4. Step 4: Simplify right side
    863,671.92x = 574,151,014,609.35
  5. Step 5: Solve for x
    x = 574,151,014,609.35/863,671.92
  6. Step 6: Final answer
    x = 664,779.07

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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.