Home / 828,270.90-1,242,406.35-295,809.30

Finding the Fourth Proportional to 828,270.90, 1,242,406.35 and 295,809.30

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Solution

The fourth proportional to 828,270.90, 1,242,406.35 and 295,809.30 is: 443,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,270.90 : 1,242,406.35 = 295,809.30 : x
  2. Step 2: Convert to fraction form
    828,270.90/1,242,406.35 = 295,809.30/x
  3. Step 3: Cross multiply
    828,270.90x = 1,242,406.35 × 295,809.30
  4. Step 4: Simplify right side
    828,270.90x = 367,515,352,709.06
  5. Step 5: Solve for x
    x = 367,515,352,709.06/828,270.90
  6. Step 6: Final answer
    x = 443,713.95

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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.