Finding the Fourth Proportional to 626,933.56, 865,185.48 and 368,828.68
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Solution
The fourth proportional to 626,933.56, 865,185.48 and 368,828.68 is: 508,993.68
Step by Step Solution
- Step 1: Write the proportion equation
626,933.56 : 865,185.48 = 368,828.68 : x - Step 2: Convert to fraction form
626,933.56/865,185.48 = 368,828.68/x - Step 3: Cross multiply
626,933.56x = 865,185.48 × 368,828.68 - Step 4: Simplify right side
626,933.56x = 319,105,218,543.57 - Step 5: Solve for x
x = 319,105,218,543.57/626,933.56 - Step 6: Final answer
x = 508,993.68
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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.