Finding the Fourth Proportional to 622,763.12, 859,409.26 and 350,918.62
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Solution
The fourth proportional to 622,763.12, 859,409.26 and 350,918.62 is: 484,265.52
Step by Step Solution
- Step 1: Write the proportion equation
622,763.12 : 859,409.26 = 350,918.62 : x - Step 2: Convert to fraction form
622,763.12/859,409.26 = 350,918.62/x - Step 3: Cross multiply
622,763.12x = 859,409.26 × 350,918.62 - Step 4: Simplify right side
622,763.12x = 301,582,708,508.60 - Step 5: Solve for x
x = 301,582,708,508.60/622,763.12 - Step 6: Final answer
x = 484,265.52
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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.