Home / 863,012.28-1,191,467.88-767,254.49

Finding the Fourth Proportional to 863,012.28, 1,191,467.88 and 767,254.49

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Solution

The fourth proportional to 863,012.28, 1,191,467.88 and 767,254.49 is: 1,059,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,012.28 : 1,191,467.88 = 767,254.49 : x
  2. Step 2: Convert to fraction form
    863,012.28/1,191,467.88 = 767,254.49/x
  3. Step 3: Cross multiply
    863,012.28x = 1,191,467.88 × 767,254.49
  4. Step 4: Simplify right side
    863,012.28x = 914,159,079,131.45
  5. Step 5: Solve for x
    x = 914,159,079,131.45/863,012.28
  6. Step 6: Final answer
    x = 1,059,265.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.