Finding the Fourth Proportional to 439,765.60, 657,680.08 and 368,906.80
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Solution
The fourth proportional to 439,765.60, 657,680.08 and 368,906.80 is: 551,709.03
Step by Step Solution
- Step 1: Write the proportion equation
439,765.60 : 657,680.08 = 368,906.80 : x - Step 2: Convert to fraction form
439,765.60/657,680.08 = 368,906.80/x - Step 3: Cross multiply
439,765.60x = 657,680.08 × 368,906.80 - Step 4: Simplify right side
439,765.60x = 242,622,653,736.54 - Step 5: Solve for x
x = 242,622,653,736.54/439,765.60 - Step 6: Final answer
x = 551,709.03
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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.