Finding the Fourth Proportional to 774,794.16, 1,162,146.12 and 348,220.08
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Solution
The fourth proportional to 774,794.16, 1,162,146.12 and 348,220.08 is: 522,309.84
Step by Step Solution
- Step 1: Write the proportion equation
774,794.16 : 1,162,146.12 = 348,220.08 : x - Step 2: Convert to fraction form
774,794.16/1,162,146.12 = 348,220.08/x - Step 3: Cross multiply
774,794.16x = 1,162,146.12 × 348,220.08 - Step 4: Simplify right side
774,794.16x = 404,682,614,878.09 - Step 5: Solve for x
x = 404,682,614,878.09/774,794.16 - Step 6: Final answer
x = 522,309.84
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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.