Finding the Fourth Proportional to 767,680.40, 1,059,056.64 and 445,203.68
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Solution
The fourth proportional to 767,680.40, 1,059,056.64 and 445,203.68 is: 614,182.56
Step by Step Solution
- Step 1: Write the proportion equation
767,680.40 : 1,059,056.64 = 445,203.68 : x - Step 2: Convert to fraction form
767,680.40/1,059,056.64 = 445,203.68/x - Step 3: Cross multiply
767,680.40x = 1,059,056.64 × 445,203.68 - Step 4: Simplify right side
767,680.40x = 471,495,913,456.44 - Step 5: Solve for x
x = 471,495,913,456.44/767,680.40 - Step 6: Final answer
x = 614,182.56
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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.