Finding the Fourth Proportional to 646,350.05, 891,928.88 and 370,693.68
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Solution
The fourth proportional to 646,350.05, 891,928.88 and 370,693.68 is: 511,537.67
Step by Step Solution
- Step 1: Write the proportion equation
646,350.05 : 891,928.88 = 370,693.68 : x - Step 2: Convert to fraction form
646,350.05/891,928.88 = 370,693.68/x - Step 3: Cross multiply
646,350.05x = 891,928.88 × 370,693.68 - Step 4: Simplify right side
646,350.05x = 330,632,396,972.01 - Step 5: Solve for x
x = 330,632,396,972.01/646,350.05 - Step 6: Final answer
x = 511,537.67
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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.