Finding the Fourth Proportional to 564,382.62, 778,862.79 and 322,704.54
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Solution
The fourth proportional to 564,382.62, 778,862.79 and 322,704.54 is: 445,340.71
Step by Step Solution
- Step 1: Write the proportion equation
564,382.62 : 778,862.79 = 322,704.54 : x - Step 2: Convert to fraction form
564,382.62/778,862.79 = 322,704.54/x - Step 3: Cross multiply
564,382.62x = 778,862.79 × 322,704.54 - Step 4: Simplify right side
564,382.62x = 251,342,558,370.07 - Step 5: Solve for x
x = 251,342,558,370.07/564,382.62 - Step 6: Final answer
x = 445,340.71
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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.