Finding the Fourth Proportional to 638,844.10, 881,602.99 and 366,929.53
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Solution
The fourth proportional to 638,844.10, 881,602.99 and 366,929.53 is: 506,361.68
Step by Step Solution
- Step 1: Write the proportion equation
638,844.10 : 881,602.99 = 366,929.53 : x - Step 2: Convert to fraction form
638,844.10/881,602.99 = 366,929.53/x - Step 3: Cross multiply
638,844.10x = 881,602.99 × 366,929.53 - Step 4: Simplify right side
638,844.10x = 323,486,170,767.30 - Step 5: Solve for x
x = 323,486,170,767.30/638,844.10 - Step 6: Final answer
x = 506,361.68
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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.