Home / 804,032.20-1,206,048.30-426,118.60

Finding the Fourth Proportional to 804,032.20, 1,206,048.30 and 426,118.60

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Solution

The fourth proportional to 804,032.20, 1,206,048.30 and 426,118.60 is: 639,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,032.20 : 1,206,048.30 = 426,118.60 : x
  2. Step 2: Convert to fraction form
    804,032.20/1,206,048.30 = 426,118.60/x
  3. Step 3: Cross multiply
    804,032.20x = 1,206,048.30 × 426,118.60
  4. Step 4: Simplify right side
    804,032.20x = 513,919,613,128.38
  5. Step 5: Solve for x
    x = 513,919,613,128.38/804,032.20
  6. Step 6: Final answer
    x = 639,177.90

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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.