Home / 863,023.47-1,294,770.30-263,971.35

Finding the Fourth Proportional to 863,023.47, 1,294,770.30 and 263,971.35

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Solution

The fourth proportional to 863,023.47, 1,294,770.30 and 263,971.35 is: 396,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,023.47 : 1,294,770.30 = 263,971.35 : x
  2. Step 2: Convert to fraction form
    863,023.47/1,294,770.30 = 263,971.35/x
  3. Step 3: Cross multiply
    863,023.47x = 1,294,770.30 × 263,971.35
  4. Step 4: Simplify right side
    863,023.47x = 341,782,264,030.91
  5. Step 5: Solve for x
    x = 341,782,264,030.91/863,023.47
  6. Step 6: Final answer
    x = 396,028.93

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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.