Finding the Fourth Proportional to 759,115.25, 1,047,578.99 and 414,952.62
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Solution
The fourth proportional to 759,115.25, 1,047,578.99 and 414,952.62 is: 572,634.59
Step by Step Solution
- Step 1: Write the proportion equation
759,115.25 : 1,047,578.99 = 414,952.62 : x - Step 2: Convert to fraction form
759,115.25/1,047,578.99 = 414,952.62/x - Step 3: Cross multiply
759,115.25x = 1,047,578.99 × 414,952.62 - Step 4: Simplify right side
759,115.25x = 434,695,644,482.69 - Step 5: Solve for x
x = 434,695,644,482.69/759,115.25 - Step 6: Final answer
x = 572,634.59
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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.