Home / 863,038.70-1,294,511.44-263,999.92

Finding the Fourth Proportional to 863,038.70, 1,294,511.44 and 263,999.92

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Solution

The fourth proportional to 863,038.70, 1,294,511.44 and 263,999.92 is: 395,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,038.70 : 1,294,511.44 = 263,999.92 : x
  2. Step 2: Convert to fraction form
    863,038.70/1,294,511.44 = 263,999.92/x
  3. Step 3: Cross multiply
    863,038.70x = 1,294,511.44 × 263,999.92
  4. Step 4: Simplify right side
    863,038.70x = 341,750,920,495.36
  5. Step 5: Solve for x
    x = 341,750,920,495.36/863,038.70
  6. Step 6: Final answer
    x = 395,985.63

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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.