Finding the Fourth Proportional to 646,351.05, 891,930.25 and 370,694.68
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Solution
The fourth proportional to 646,351.05, 891,930.25 and 370,694.68 is: 511,539.04
Step by Step Solution
- Step 1: Write the proportion equation
646,351.05 : 891,930.25 = 370,694.68 : x - Step 2: Convert to fraction form
646,351.05/891,930.25 = 370,694.68/x - Step 3: Cross multiply
646,351.05x = 891,930.25 × 370,694.68 - Step 4: Simplify right side
646,351.05x = 330,633,798,606.07 - Step 5: Solve for x
x = 330,633,798,606.07/646,351.05 - Step 6: Final answer
x = 511,539.04
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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.