Finding the Fourth Proportional to 1,212,408.75, 1,818,686.03 and 370,967.79
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Solution
The fourth proportional to 1,212,408.75, 1,818,686.03 and 370,967.79 is: 556,473.99
Step by Step Solution
- Step 1: Write the proportion equation
1,212,408.75 : 1,818,686.03 = 370,967.79 : x - Step 2: Convert to fraction form
1,212,408.75/1,818,686.03 = 370,967.79/x - Step 3: Cross multiply
1,212,408.75x = 1,818,686.03 × 370,967.79 - Step 4: Simplify right side
1,212,408.75x = 674,673,935,398.14 - Step 5: Solve for x
x = 674,673,935,398.14/1,212,408.75 - Step 6: Final answer
x = 556,473.99
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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.