Finding the Fourth Proportional to 763,728.09, 1,053,827.60 and 441,375.93
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Solution
The fourth proportional to 763,728.09, 1,053,827.60 and 441,375.93 is: 609,031.07
Step by Step Solution
- Step 1: Write the proportion equation
763,728.09 : 1,053,827.60 = 441,375.93 : x - Step 2: Convert to fraction form
763,728.09/1,053,827.60 = 441,375.93/x - Step 3: Cross multiply
763,728.09x = 1,053,827.60 × 441,375.93 - Step 4: Simplify right side
763,728.09x = 465,134,134,802.79 - Step 5: Solve for x
x = 465,134,134,802.79/763,728.09 - Step 6: Final answer
x = 609,031.07
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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.