Home / 862,772.07-1,294,161.45-263,730.90

Finding the Fourth Proportional to 862,772.07, 1,294,161.45 and 263,730.90

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Solution

The fourth proportional to 862,772.07, 1,294,161.45 and 263,730.90 is: 395,597.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,772.07 : 1,294,161.45 = 263,730.90 : x
  2. Step 2: Convert to fraction form
    862,772.07/1,294,161.45 = 263,730.90/x
  3. Step 3: Cross multiply
    862,772.07x = 1,294,161.45 × 263,730.90
  4. Step 4: Simplify right side
    862,772.07x = 341,310,363,953.81
  5. Step 5: Solve for x
    x = 341,310,363,953.81/862,772.07
  6. Step 6: Final answer
    x = 395,597.37

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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.