Finding the Fourth Proportional to 659,611.15, 910,266.76 and 373,125.09
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Solution
The fourth proportional to 659,611.15, 910,266.76 and 373,125.09 is: 514,914.53
Step by Step Solution
- Step 1: Write the proportion equation
659,611.15 : 910,266.76 = 373,125.09 : x - Step 2: Convert to fraction form
659,611.15/910,266.76 = 373,125.09/x - Step 3: Cross multiply
659,611.15x = 910,266.76 × 373,125.09 - Step 4: Simplify right side
659,611.15x = 339,643,365,508.67 - Step 5: Solve for x
x = 339,643,365,508.67/659,611.15 - Step 6: Final answer
x = 514,914.53
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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.