Home / 862,770.63-1,294,159.29-263,729.46

Finding the Fourth Proportional to 862,770.63, 1,294,159.29 and 263,729.46

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Solution

The fourth proportional to 862,770.63, 1,294,159.29 and 263,729.46 is: 395,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,770.63 : 1,294,159.29 = 263,729.46 : x
  2. Step 2: Convert to fraction form
    862,770.63/1,294,159.29 = 263,729.46/x
  3. Step 3: Cross multiply
    862,770.63x = 1,294,159.29 × 263,729.46
  4. Step 4: Simplify right side
    862,770.63x = 341,307,930,705.68
  5. Step 5: Solve for x
    x = 341,307,930,705.68/862,770.63
  6. Step 6: Final answer
    x = 395,595.21

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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.