Finding the Fourth Proportional to 674,764.77, 931,175.35 and 368,842.44
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Solution
The fourth proportional to 674,764.77, 931,175.35 and 368,842.44 is: 509,002.55
Step by Step Solution
- Step 1: Write the proportion equation
674,764.77 : 931,175.35 = 368,842.44 : x - Step 2: Convert to fraction form
674,764.77/931,175.35 = 368,842.44/x - Step 3: Cross multiply
674,764.77x = 931,175.35 × 368,842.44 - Step 4: Simplify right side
674,764.77x = 343,456,987,239.75 - Step 5: Solve for x
x = 343,456,987,239.75/674,764.77 - Step 6: Final answer
x = 509,002.55
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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.