Finding the Fourth Proportional to 763,734.24, 1,053,836.04 and 441,382.08
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Solution
The fourth proportional to 763,734.24, 1,053,836.04 and 441,382.08 is: 609,039.53
Step by Step Solution
- Step 1: Write the proportion equation
763,734.24 : 1,053,836.04 = 441,382.08 : x - Step 2: Convert to fraction form
763,734.24/1,053,836.04 = 441,382.08/x - Step 3: Cross multiply
763,734.24x = 1,053,836.04 × 441,382.08 - Step 4: Simplify right side
763,734.24x = 465,144,343,314.16 - Step 5: Solve for x
x = 465,144,343,314.16/763,734.24 - Step 6: Final answer
x = 609,039.53
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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.