Finding the Fourth Proportional to 810,605.68, 1,215,526.38 and 473,743.24
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Solution
The fourth proportional to 810,605.68, 1,215,526.38 and 473,743.24 is: 710,391.53
Step by Step Solution
- Step 1: Write the proportion equation
810,605.68 : 1,215,526.38 = 473,743.24 : x - Step 2: Convert to fraction form
810,605.68/1,215,526.38 = 473,743.24/x - Step 3: Cross multiply
810,605.68x = 1,215,526.38 × 473,743.24 - Step 4: Simplify right side
810,605.68x = 575,847,405,566.67 - Step 5: Solve for x
x = 575,847,405,566.67/810,605.68 - Step 6: Final answer
x = 710,391.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.