Home / 863,678.42-1,295,470.94-264,641.34

Finding the Fourth Proportional to 863,678.42, 1,295,470.94 and 264,641.34

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Solution

The fourth proportional to 863,678.42, 1,295,470.94 and 264,641.34 is: 396,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,678.42 : 1,295,470.94 = 264,641.34 : x
  2. Step 2: Convert to fraction form
    863,678.42/1,295,470.94 = 264,641.34/x
  3. Step 3: Cross multiply
    863,678.42x = 1,295,470.94 × 264,641.34
  4. Step 4: Simplify right side
    863,678.42x = 342,835,164,169.45
  5. Step 5: Solve for x
    x = 342,835,164,169.45/863,678.42
  6. Step 6: Final answer
    x = 396,947.70

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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.