Home / 863,038.45-1,294,511.07-263,999.67

Finding the Fourth Proportional to 863,038.45, 1,294,511.07 and 263,999.67

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Solution

The fourth proportional to 863,038.45, 1,294,511.07 and 263,999.67 is: 395,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,038.45 : 1,294,511.07 = 263,999.67 : x
  2. Step 2: Convert to fraction form
    863,038.45/1,294,511.07 = 263,999.67/x
  3. Step 3: Cross multiply
    863,038.45x = 1,294,511.07 × 263,999.67
  4. Step 4: Simplify right side
    863,038.45x = 341,750,497,223.56
  5. Step 5: Solve for x
    x = 341,750,497,223.56/863,038.45
  6. Step 6: Final answer
    x = 395,985.25

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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.