Finding the Fourth Proportional to 621,889.36, 858,197.25 and 349,957.09
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Solution
The fourth proportional to 621,889.36, 858,197.25 and 349,957.09 is: 482,935.12
Step by Step Solution
- Step 1: Write the proportion equation
621,889.36 : 858,197.25 = 349,957.09 : x - Step 2: Convert to fraction form
621,889.36/858,197.25 = 349,957.09/x - Step 3: Cross multiply
621,889.36x = 858,197.25 × 349,957.09 - Step 4: Simplify right side
621,889.36x = 300,332,212,256.00 - Step 5: Solve for x
x = 300,332,212,256.00/621,889.36 - Step 6: Final answer
x = 482,935.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.