Finding the Fourth Proportional to 565,344.36, 780,175.80 and 310,690.08
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Solution
The fourth proportional to 565,344.36, 780,175.80 and 310,690.08 is: 428,752.63
Step by Step Solution
- Step 1: Write the proportion equation
565,344.36 : 780,175.80 = 310,690.08 : x - Step 2: Convert to fraction form
565,344.36/780,175.80 = 310,690.08/x - Step 3: Cross multiply
565,344.36x = 780,175.80 × 310,690.08 - Step 4: Simplify right side
565,344.36x = 242,392,881,716.06 - Step 5: Solve for x
x = 242,392,881,716.06/565,344.36 - Step 6: Final answer
x = 428,752.63
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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.