Finding the Fourth Proportional to 850,815.29, 1,174,110 and 463,634.09
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Solution
The fourth proportional to 850,815.29, 1,174,110 and 463,634.09 is: 639,806.82
Step by Step Solution
- Step 1: Write the proportion equation
850,815.29 : 1,174,110 = 463,634.09 : x - Step 2: Convert to fraction form
850,815.29/1,174,110 = 463,634.09/x - Step 3: Cross multiply
850,815.29x = 1,174,110 × 463,634.09 - Step 4: Simplify right side
850,815.29x = 544,357,421,409.90 - Step 5: Solve for x
x = 544,357,421,409.90/850,815.29 - Step 6: Final answer
x = 639,806.82
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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.