Finding the Fourth Proportional to 673,912.68, 929,994.93 and 372,106.68
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Solution
The fourth proportional to 673,912.68, 929,994.93 and 372,106.68 is: 513,504.70
Step by Step Solution
- Step 1: Write the proportion equation
673,912.68 : 929,994.93 = 372,106.68 : x - Step 2: Convert to fraction form
673,912.68/929,994.93 = 372,106.68/x - Step 3: Cross multiply
673,912.68x = 929,994.93 × 372,106.68 - Step 4: Simplify right side
673,912.68x = 346,057,325,819.13 - Step 5: Solve for x
x = 346,057,325,819.13/673,912.68 - Step 6: Final answer
x = 513,504.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.