Home / 805,928.80-1,208,893.20-244,890.40

Finding the Fourth Proportional to 805,928.80, 1,208,893.20 and 244,890.40

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Solution

The fourth proportional to 805,928.80, 1,208,893.20 and 244,890.40 is: 367,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,928.80 : 1,208,893.20 = 244,890.40 : x
  2. Step 2: Convert to fraction form
    805,928.80/1,208,893.20 = 244,890.40/x
  3. Step 3: Cross multiply
    805,928.80x = 1,208,893.20 × 244,890.40
  4. Step 4: Simplify right side
    805,928.80x = 296,046,339,305.28
  5. Step 5: Solve for x
    x = 296,046,339,305.28/805,928.80
  6. Step 6: Final answer
    x = 367,335.60

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Double scale
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Similar ratio
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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.