Finding the Fourth Proportional to 746,181.16, 1,029,699.96 and 406,642.12
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Solution
The fourth proportional to 746,181.16, 1,029,699.96 and 406,642.12 is: 561,149.75
Step by Step Solution
- Step 1: Write the proportion equation
746,181.16 : 1,029,699.96 = 406,642.12 : x - Step 2: Convert to fraction form
746,181.16/1,029,699.96 = 406,642.12/x - Step 3: Cross multiply
746,181.16x = 1,029,699.96 × 406,642.12 - Step 4: Simplify right side
746,181.16x = 418,719,374,698.32 - Step 5: Solve for x
x = 418,719,374,698.32/746,181.16 - Step 6: Final answer
x = 561,149.75
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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.