Finding the Fourth Proportional to 645,467.76, 966,308.97 and 452,673.99
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Solution
The fourth proportional to 645,467.76, 966,308.97 and 452,673.99 is: 677,683.63
Step by Step Solution
- Step 1: Write the proportion equation
645,467.76 : 966,308.97 = 452,673.99 : x - Step 2: Convert to fraction form
645,467.76/966,308.97 = 452,673.99/x - Step 3: Cross multiply
645,467.76x = 966,308.97 × 452,673.99 - Step 4: Simplify right side
645,467.76x = 437,422,937,022.69 - Step 5: Solve for x
x = 437,422,937,022.69/645,467.76 - Step 6: Final answer
x = 677,683.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.