Finding the Fourth Proportional to 770,841.23, 1,156,178.66 and 202,279.55
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Solution
The fourth proportional to 770,841.23, 1,156,178.66 and 202,279.55 is: 303,397.49
Step by Step Solution
- Step 1: Write the proportion equation
770,841.23 : 1,156,178.66 = 202,279.55 : x - Step 2: Convert to fraction form
770,841.23/1,156,178.66 = 202,279.55/x - Step 3: Cross multiply
770,841.23x = 1,156,178.66 × 202,279.55 - Step 4: Simplify right side
770,841.23x = 233,871,292,272.11 - Step 5: Solve for x
x = 233,871,292,272.11/770,841.23 - Step 6: Final answer
x = 303,397.49
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1.5x scale
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.