Home / 863,118.70-1,294,631.28-264,079.96

Finding the Fourth Proportional to 863,118.70, 1,294,631.28 and 264,079.96

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Solution

The fourth proportional to 863,118.70, 1,294,631.28 and 264,079.96 is: 396,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,118.70 : 1,294,631.28 = 264,079.96 : x
  2. Step 2: Convert to fraction form
    863,118.70/1,294,631.28 = 264,079.96/x
  3. Step 3: Cross multiply
    863,118.70x = 1,294,631.28 × 264,079.96
  4. Step 4: Simplify right side
    863,118.70x = 341,886,176,637.15
  5. Step 5: Solve for x
    x = 341,886,176,637.15/863,118.70
  6. Step 6: Final answer
    x = 396,105.63

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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.