Finding the Fourth Proportional to 636,210.91, 877,948.82 and 349,728.94
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Solution
The fourth proportional to 636,210.91, 877,948.82 and 349,728.94 is: 482,613.72
Step by Step Solution
- Step 1: Write the proportion equation
636,210.91 : 877,948.82 = 349,728.94 : x - Step 2: Convert to fraction form
636,210.91/877,948.82 = 349,728.94/x - Step 3: Cross multiply
636,210.91x = 877,948.82 × 349,728.94 - Step 4: Simplify right side
636,210.91x = 307,044,112,820.35 - Step 5: Solve for x
x = 307,044,112,820.35/636,210.91 - Step 6: Final answer
x = 482,613.72
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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.