Finding the Fourth Proportional to 556,478.88, 767,828.88 and 352,609.44
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Solution
The fourth proportional to 556,478.88, 767,828.88 and 352,609.44 is: 486,530.08
Step by Step Solution
- Step 1: Write the proportion equation
556,478.88 : 767,828.88 = 352,609.44 : x - Step 2: Convert to fraction form
556,478.88/767,828.88 = 352,609.44/x - Step 3: Cross multiply
556,478.88x = 767,828.88 × 352,609.44 - Step 4: Simplify right side
556,478.88x = 270,743,711,392.63 - Step 5: Solve for x
x = 270,743,711,392.63/556,478.88 - Step 6: Final answer
x = 486,530.08
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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.