Home / 911,835.55-1,367,551.77-263,270.85

Finding the Fourth Proportional to 911,835.55, 1,367,551.77 and 263,270.85

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Solution

The fourth proportional to 911,835.55, 1,367,551.77 and 263,270.85 is: 394,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,835.55 : 1,367,551.77 = 263,270.85 : x
  2. Step 2: Convert to fraction form
    911,835.55/1,367,551.77 = 263,270.85/x
  3. Step 3: Cross multiply
    911,835.55x = 1,367,551.77 × 263,270.85
  4. Step 4: Simplify right side
    911,835.55x = 360,036,516,906.91
  5. Step 5: Solve for x
    x = 360,036,516,906.91/911,835.55
  6. Step 6: Final answer
    x = 394,848.08

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1.5x scale

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.