Finding the Fourth Proportional to 556,038.42, 767,414.97 and 352,107.96
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Solution
The fourth proportional to 556,038.42, 767,414.97 and 352,107.96 is: 485,960.88
Step by Step Solution
- Step 1: Write the proportion equation
556,038.42 : 767,414.97 = 352,107.96 : x - Step 2: Convert to fraction form
556,038.42/767,414.97 = 352,107.96/x - Step 3: Cross multiply
556,038.42x = 767,414.97 × 352,107.96 - Step 4: Simplify right side
556,038.42x = 270,212,919,560.16 - Step 5: Solve for x
x = 270,212,919,560.16/556,038.42 - Step 6: Final answer
x = 485,960.88
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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.