Finding the Fourth Proportional to 790,850.85, 1,185,477.48 and 311,415.09
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Solution
The fourth proportional to 790,850.85, 1,185,477.48 and 311,415.09 is: 466,808.09
Step by Step Solution
- Step 1: Write the proportion equation
790,850.85 : 1,185,477.48 = 311,415.09 : x - Step 2: Convert to fraction form
790,850.85/1,185,477.48 = 311,415.09/x - Step 3: Cross multiply
790,850.85x = 1,185,477.48 × 311,415.09 - Step 4: Simplify right side
790,850.85x = 369,175,576,127.17 - Step 5: Solve for x
x = 369,175,576,127.17/790,850.85 - Step 6: Final answer
x = 466,808.09
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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.