Finding the Fourth Proportional to 876,326.62, 1,209,971.24 and 566,412.53
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Solution
The fourth proportional to 876,326.62, 1,209,971.24 and 566,412.53 is: 782,063.27
Step by Step Solution
- Step 1: Write the proportion equation
876,326.62 : 1,209,971.24 = 566,412.53 : x - Step 2: Convert to fraction form
876,326.62/1,209,971.24 = 566,412.53/x - Step 3: Cross multiply
876,326.62x = 1,209,971.24 × 566,412.53 - Step 4: Simplify right side
876,326.62x = 685,342,862,393.72 - Step 5: Solve for x
x = 685,342,862,393.72/876,326.62 - Step 6: Final answer
x = 782,063.27
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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.