Finding the Fourth Proportional to 733,646.30, 1,012,338.36 and 427,646.12
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Solution
The fourth proportional to 733,646.30, 1,012,338.36 and 427,646.12 is: 590,097.12
Step by Step Solution
- Step 1: Write the proportion equation
733,646.30 : 1,012,338.36 = 427,646.12 : x - Step 2: Convert to fraction form
733,646.30/1,012,338.36 = 427,646.12/x - Step 3: Cross multiply
733,646.30x = 1,012,338.36 × 427,646.12 - Step 4: Simplify right side
733,646.30x = 432,922,571,781.16 - Step 5: Solve for x
x = 432,922,571,781.16/733,646.30 - Step 6: Final answer
x = 590,097.12
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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.