Finding the Fourth Proportional to 636,044.36, 877,762.28 and 349,574.60
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Solution
The fourth proportional to 636,044.36, 877,762.28 and 349,574.60 is: 482,424.52
Step by Step Solution
- Step 1: Write the proportion equation
636,044.36 : 877,762.28 = 349,574.60 : x - Step 2: Convert to fraction form
636,044.36/877,762.28 = 349,574.60/x - Step 3: Cross multiply
636,044.36x = 877,762.28 × 349,574.60 - Step 4: Simplify right side
636,044.36x = 306,843,397,926.09 - Step 5: Solve for x
x = 306,843,397,926.09/636,044.36 - Step 6: Final answer
x = 482,424.52
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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.