Finding the Fourth Proportional to 565,633.68, 780,462.54 and 317,283.63
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Solution
The fourth proportional to 565,633.68, 780,462.54 and 317,283.63 is: 437,788.62
Step by Step Solution
- Step 1: Write the proportion equation
565,633.68 : 780,462.54 = 317,283.63 : x - Step 2: Convert to fraction form
565,633.68/780,462.54 = 317,283.63/x - Step 3: Cross multiply
565,633.68x = 780,462.54 × 317,283.63 - Step 4: Simplify right side
565,633.68x = 247,627,987,770.22 - Step 5: Solve for x
x = 247,627,987,770.22/565,633.68 - Step 6: Final answer
x = 437,788.62
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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.