Home / 827,422.40-1,241,133.60-294,960.80

Finding the Fourth Proportional to 827,422.40, 1,241,133.60 and 294,960.80

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Solution

The fourth proportional to 827,422.40, 1,241,133.60 and 294,960.80 is: 442,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,422.40 : 1,241,133.60 = 294,960.80 : x
  2. Step 2: Convert to fraction form
    827,422.40/1,241,133.60 = 294,960.80/x
  3. Step 3: Cross multiply
    827,422.40x = 1,241,133.60 × 294,960.80
  4. Step 4: Simplify right side
    827,422.40x = 366,085,759,562.88
  5. Step 5: Solve for x
    x = 366,085,759,562.88/827,422.40
  6. Step 6: Final answer
    x = 442,441.20

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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.