Finding the Fourth Proportional to 788,869.06, 1,182,639.29 and 315,296.08
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Solution
The fourth proportional to 788,869.06, 1,182,639.29 and 315,296.08 is: 472,678.61
Step by Step Solution
- Step 1: Write the proportion equation
788,869.06 : 1,182,639.29 = 315,296.08 : x - Step 2: Convert to fraction form
788,869.06/1,182,639.29 = 315,296.08/x - Step 3: Cross multiply
788,869.06x = 1,182,639.29 × 315,296.08 - Step 4: Simplify right side
788,869.06x = 372,881,527,657.91 - Step 5: Solve for x
x = 372,881,527,657.91/788,869.06 - Step 6: Final answer
x = 472,678.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.