Finding the Fourth Proportional to 901,252.48, 1,243,729.97 and 493,354.57
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Solution
The fourth proportional to 901,252.48, 1,243,729.97 and 493,354.57 is: 680,830.15
Step by Step Solution
- Step 1: Write the proportion equation
901,252.48 : 1,243,729.97 = 493,354.57 : x - Step 2: Convert to fraction form
901,252.48/1,243,729.97 = 493,354.57/x - Step 3: Cross multiply
901,252.48x = 1,243,729.97 × 493,354.57 - Step 4: Simplify right side
901,252.48x = 613,599,864,545.46 - Step 5: Solve for x
x = 613,599,864,545.46/901,252.48 - Step 6: Final answer
x = 680,830.15
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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.