Home / 862,783.20-1,294,061.40-263,804.40

Finding the Fourth Proportional to 862,783.20, 1,294,061.40 and 263,804.40

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Solution

The fourth proportional to 862,783.20, 1,294,061.40 and 263,804.40 is: 395,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,783.20 : 1,294,061.40 = 263,804.40 : x
  2. Step 2: Convert to fraction form
    862,783.20/1,294,061.40 = 263,804.40/x
  3. Step 3: Cross multiply
    862,783.20x = 1,294,061.40 × 263,804.40
  4. Step 4: Simplify right side
    862,783.20x = 341,379,091,190.16
  5. Step 5: Solve for x
    x = 341,379,091,190.16/862,783.20
  6. Step 6: Final answer
    x = 395,671.93

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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.