Home / 855,116.40-1,282,372.20-294,020.40

Finding the Fourth Proportional to 855,116.40, 1,282,372.20 and 294,020.40

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Solution

The fourth proportional to 855,116.40, 1,282,372.20 and 294,020.40 is: 440,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,116.40 : 1,282,372.20 = 294,020.40 : x
  2. Step 2: Convert to fraction form
    855,116.40/1,282,372.20 = 294,020.40/x
  3. Step 3: Cross multiply
    855,116.40x = 1,282,372.20 × 294,020.40
  4. Step 4: Simplify right side
    855,116.40x = 377,043,587,192.88
  5. Step 5: Solve for x
    x = 377,043,587,192.88/855,116.40
  6. Step 6: Final answer
    x = 440,926.62

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Double scale
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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.