Finding the Fourth Proportional to 656,436.51, 905,535.18 and 452,136.06
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Solution
The fourth proportional to 656,436.51, 905,535.18 and 452,136.06 is: 623,708.62
Step by Step Solution
- Step 1: Write the proportion equation
656,436.51 : 905,535.18 = 452,136.06 : x - Step 2: Convert to fraction form
656,436.51/905,535.18 = 452,136.06/x - Step 3: Cross multiply
656,436.51x = 905,535.18 × 452,136.06 - Step 4: Simplify right side
656,436.51x = 409,425,108,476.59 - Step 5: Solve for x
x = 409,425,108,476.59/656,436.51 - Step 6: Final answer
x = 623,708.62
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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.