Home / 863,143.13-1,294,660.46-264,056.69

Finding the Fourth Proportional to 863,143.13, 1,294,660.46 and 264,056.69

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Solution

The fourth proportional to 863,143.13, 1,294,660.46 and 264,056.69 is: 396,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,143.13 : 1,294,660.46 = 264,056.69 : x
  2. Step 2: Convert to fraction form
    863,143.13/1,294,660.46 = 264,056.69/x
  3. Step 3: Cross multiply
    863,143.13x = 1,294,660.46 × 264,056.69
  4. Step 4: Simplify right side
    863,143.13x = 341,863,747,947.89
  5. Step 5: Solve for x
    x = 341,863,747,947.89/863,143.13
  6. Step 6: Final answer
    x = 396,068.44

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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.