Finding the Fourth Proportional to 798,976.62, 1,102,582.08 and 436,400.58
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Solution
The fourth proportional to 798,976.62, 1,102,582.08 and 436,400.58 is: 602,229.71
Step by Step Solution
- Step 1: Write the proportion equation
798,976.62 : 1,102,582.08 = 436,400.58 : x - Step 2: Convert to fraction form
798,976.62/1,102,582.08 = 436,400.58/x - Step 3: Cross multiply
798,976.62x = 1,102,582.08 × 436,400.58 - Step 4: Simplify right side
798,976.62x = 481,167,459,209.61 - Step 5: Solve for x
x = 481,167,459,209.61/798,976.62 - Step 6: Final answer
x = 602,229.71
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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.