Finding the Fourth Proportional to 662,185.70, 913,707.26 and 417,132.36
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Solution
The fourth proportional to 662,185.70, 913,707.26 and 417,132.36 is: 575,573.99
Step by Step Solution
- Step 1: Write the proportion equation
662,185.70 : 913,707.26 = 417,132.36 : x - Step 2: Convert to fraction form
662,185.70/913,707.26 = 417,132.36/x - Step 3: Cross multiply
662,185.70x = 913,707.26 × 417,132.36 - Step 4: Simplify right side
662,185.70x = 381,136,865,712.93 - Step 5: Solve for x
x = 381,136,865,712.93/662,185.70 - Step 6: Final answer
x = 575,573.99
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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.