Finding the Fourth Proportional to 584,391.16, 806,472.39 and 322,745.68
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Solution
The fourth proportional to 584,391.16, 806,472.39 and 322,745.68 is: 445,395.99
Step by Step Solution
- Step 1: Write the proportion equation
584,391.16 : 806,472.39 = 322,745.68 : x - Step 2: Convert to fraction form
584,391.16/806,472.39 = 322,745.68/x - Step 3: Cross multiply
584,391.16x = 806,472.39 × 322,745.68 - Step 4: Simplify right side
584,391.16x = 260,285,479,911.78 - Step 5: Solve for x
x = 260,285,479,911.78/584,391.16 - Step 6: Final answer
x = 445,395.99
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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.