Home / 827,138.40-1,240,853.40-294,968.40

Finding the Fourth Proportional to 827,138.40, 1,240,853.40 and 294,968.40

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Solution

The fourth proportional to 827,138.40, 1,240,853.40 and 294,968.40 is: 442,504.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,138.40 : 1,240,853.40 = 294,968.40 : x
  2. Step 2: Convert to fraction form
    827,138.40/1,240,853.40 = 294,968.40/x
  3. Step 3: Cross multiply
    827,138.40x = 1,240,853.40 × 294,968.40
  4. Step 4: Simplify right side
    827,138.40x = 366,012,542,032.56
  5. Step 5: Solve for x
    x = 366,012,542,032.56/827,138.40
  6. Step 6: Final answer
    x = 442,504.59

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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.