Finding the Fourth Proportional to 636,201.60, 877,959.12 and 349,723.44
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Solution
The fourth proportional to 636,201.60, 877,959.12 and 349,723.44 is: 482,618.85
Step by Step Solution
- Step 1: Write the proportion equation
636,201.60 : 877,959.12 = 349,723.44 : x - Step 2: Convert to fraction form
636,201.60/877,959.12 = 349,723.44/x - Step 3: Cross multiply
636,201.60x = 877,959.12 × 349,723.44 - Step 4: Simplify right side
636,201.60x = 307,042,883,625.77 - Step 5: Solve for x
x = 307,042,883,625.77/636,201.60 - Step 6: Final answer
x = 482,618.85
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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.