Finding the Fourth Proportional to 1,281,731.40, 1,922,430.24 and 335,175.12
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Solution
The fourth proportional to 1,281,731.40, 1,922,430.24 and 335,175.12 is: 502,719.05
Step by Step Solution
- Step 1: Write the proportion equation
1,281,731.40 : 1,922,430.24 = 335,175.12 : x - Step 2: Convert to fraction form
1,281,731.40/1,922,430.24 = 335,175.12/x - Step 3: Cross multiply
1,281,731.40x = 1,922,430.24 × 335,175.12 - Step 4: Simplify right side
1,281,731.40x = 644,350,786,383.63 - Step 5: Solve for x
x = 644,350,786,383.63/1,281,731.40 - Step 6: Final answer
x = 502,719.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.