Home / 862,770.57-1,294,159.22-263,729.40

Finding the Fourth Proportional to 862,770.57, 1,294,159.22 and 263,729.40

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Solution

The fourth proportional to 862,770.57, 1,294,159.22 and 263,729.40 is: 395,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,770.57 : 1,294,159.22 = 263,729.40 : x
  2. Step 2: Convert to fraction form
    862,770.57/1,294,159.22 = 263,729.40/x
  3. Step 3: Cross multiply
    862,770.57x = 1,294,159.22 × 263,729.40
  4. Step 4: Simplify right side
    862,770.57x = 341,307,833,276.42
  5. Step 5: Solve for x
    x = 341,307,833,276.42/862,770.57
  6. Step 6: Final answer
    x = 395,595.13

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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.