Finding the Fourth Proportional to 543,179.80, 746,929.36 and 471,434.88
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Solution
The fourth proportional to 543,179.80, 746,929.36 and 471,434.88 is: 648,272.55
Step by Step Solution
- Step 1: Write the proportion equation
543,179.80 : 746,929.36 = 471,434.88 : x - Step 2: Convert to fraction form
543,179.80/746,929.36 = 471,434.88/x - Step 3: Cross multiply
543,179.80x = 746,929.36 × 471,434.88 - Step 4: Simplify right side
543,179.80x = 352,128,553,200.08 - Step 5: Solve for x
x = 352,128,553,200.08/543,179.80 - Step 6: Final answer
x = 648,272.55
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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.