Finding the Fourth Proportional to 715,544.67, 987,463.17 and 409,619.82
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Solution
The fourth proportional to 715,544.67, 987,463.17 and 409,619.82 is: 565,281.95
Step by Step Solution
- Step 1: Write the proportion equation
715,544.67 : 987,463.17 = 409,619.82 : x - Step 2: Convert to fraction form
715,544.67/987,463.17 = 409,619.82/x - Step 3: Cross multiply
715,544.67x = 987,463.17 × 409,619.82 - Step 4: Simplify right side
715,544.67x = 404,484,485,952.03 - Step 5: Solve for x
x = 404,484,485,952.03/715,544.67 - Step 6: Final answer
x = 565,281.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.