Finding the Fourth Proportional to 696,922.30, 1,045,383.45 and 431,201.80
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Solution
The fourth proportional to 696,922.30, 1,045,383.45 and 431,201.80 is: 646,802.70
Step by Step Solution
- Step 1: Write the proportion equation
696,922.30 : 1,045,383.45 = 431,201.80 : x - Step 2: Convert to fraction form
696,922.30/1,045,383.45 = 431,201.80/x - Step 3: Cross multiply
696,922.30x = 1,045,383.45 × 431,201.80 - Step 4: Simplify right side
696,922.30x = 450,771,225,330.21 - Step 5: Solve for x
x = 450,771,225,330.21/696,922.30 - Step 6: Final answer
x = 646,802.70
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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.