Finding the Fourth Proportional to 626,901.17, 865,133.66 and 354,961.79
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Solution
The fourth proportional to 626,901.17, 865,133.66 and 354,961.79 is: 489,852.96
Step by Step Solution
- Step 1: Write the proportion equation
626,901.17 : 865,133.66 = 354,961.79 : x - Step 2: Convert to fraction form
626,901.17/865,133.66 = 354,961.79/x - Step 3: Cross multiply
626,901.17x = 865,133.66 × 354,961.79 - Step 4: Simplify right side
626,901.17x = 307,089,392,348.84 - Step 5: Solve for x
x = 307,089,392,348.84/626,901.17 - Step 6: Final answer
x = 489,852.96
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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.