Finding the Fourth Proportional to 751,121.12, 1,036,513.32 and 411,582.08
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Solution
The fourth proportional to 751,121.12, 1,036,513.32 and 411,582.08 is: 567,964.74
Step by Step Solution
- Step 1: Write the proportion equation
751,121.12 : 1,036,513.32 = 411,582.08 : x - Step 2: Convert to fraction form
751,121.12/1,036,513.32 = 411,582.08/x - Step 3: Cross multiply
751,121.12x = 1,036,513.32 × 411,582.08 - Step 4: Simplify right side
751,121.12x = 426,610,308,193.31 - Step 5: Solve for x
x = 426,610,308,193.31/751,121.12 - Step 6: Final answer
x = 567,964.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.