Home / 911,830-1,367,543.46-263,265.31

Finding the Fourth Proportional to 911,830, 1,367,543.46 and 263,265.31

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Solution

The fourth proportional to 911,830, 1,367,543.46 and 263,265.31 is: 394,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,830 : 1,367,543.46 = 263,265.31 : x
  2. Step 2: Convert to fraction form
    911,830/1,367,543.46 = 263,265.31/x
  3. Step 3: Cross multiply
    911,830x = 1,367,543.46 × 263,265.31
  4. Step 4: Simplify right side
    911,830x = 360,026,752,935.37
  5. Step 5: Solve for x
    x = 360,026,752,935.37/911,830
  6. Step 6: Final answer
    x = 394,839.78

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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.