Home / 810,131.60-1,214,225.40-336,573.20

Finding the Fourth Proportional to 810,131.60, 1,214,225.40 and 336,573.20

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Solution

The fourth proportional to 810,131.60, 1,214,225.40 and 336,573.20 is: 504,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,131.60 : 1,214,225.40 = 336,573.20 : x
  2. Step 2: Convert to fraction form
    810,131.60/1,214,225.40 = 336,573.20/x
  3. Step 3: Cross multiply
    810,131.60x = 1,214,225.40 × 336,573.20
  4. Step 4: Simplify right side
    810,131.60x = 408,675,728,399.28
  5. Step 5: Solve for x
    x = 408,675,728,399.28/810,131.60
  6. Step 6: Final answer
    x = 504,455.98

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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.