Finding the Fourth Proportional to 508,506.80, 701,723.58 and 279,058.19
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Solution
The fourth proportional to 508,506.80, 701,723.58 and 279,058.19 is: 385,091.62
Step by Step Solution
- Step 1: Write the proportion equation
508,506.80 : 701,723.58 = 279,058.19 : x - Step 2: Convert to fraction form
508,506.80/701,723.58 = 279,058.19/x - Step 3: Cross multiply
508,506.80x = 701,723.58 × 279,058.19 - Step 4: Simplify right side
508,506.80x = 195,821,707,211.21 - Step 5: Solve for x
x = 195,821,707,211.21/508,506.80 - Step 6: Final answer
x = 385,091.62
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1.5x scale
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.