Finding the Fourth Proportional to 808,220.13, 1,212,454.80 and 275,616.60
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Solution
The fourth proportional to 808,220.13, 1,212,454.80 and 275,616.60 is: 413,467.39
Step by Step Solution
- Step 1: Write the proportion equation
808,220.13 : 1,212,454.80 = 275,616.60 : x - Step 2: Convert to fraction form
808,220.13/1,212,454.80 = 275,616.60/x - Step 3: Cross multiply
808,220.13x = 1,212,454.80 × 275,616.60 - Step 4: Simplify right side
808,220.13x = 334,172,669,268.18 - Step 5: Solve for x
x = 334,172,669,268.18/808,220.13 - Step 6: Final answer
x = 413,467.39
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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.