Finding the Fourth Proportional to 798,980.97, 1,102,587.17 and 436,405.08
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Solution
The fourth proportional to 798,980.97, 1,102,587.17 and 436,405.08 is: 602,235.42
Step by Step Solution
- Step 1: Write the proportion equation
798,980.97 : 1,102,587.17 = 436,405.08 : x - Step 2: Convert to fraction form
798,980.97/1,102,587.17 = 436,405.08/x - Step 3: Cross multiply
798,980.97x = 1,102,587.17 × 436,405.08 - Step 4: Simplify right side
798,980.97x = 481,174,639,948.80 - Step 5: Solve for x
x = 481,174,639,948.80/798,980.97 - Step 6: Final answer
x = 602,235.42
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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.