Finding the Fourth Proportional to 415,802.03, 624,754.08 and 398,986.97
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Solution
The fourth proportional to 415,802.03, 624,754.08 and 398,986.97 is: 599,488.99
Step by Step Solution
- Step 1: Write the proportion equation
415,802.03 : 624,754.08 = 398,986.97 : x - Step 2: Convert to fraction form
415,802.03/624,754.08 = 398,986.97/x - Step 3: Cross multiply
415,802.03x = 624,754.08 × 398,986.97 - Step 4: Simplify right side
415,802.03x = 249,268,734,250.57 - Step 5: Solve for x
x = 249,268,734,250.57/415,802.03 - Step 6: Final answer
x = 599,488.99
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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.