Finding the Fourth Proportional to 767,683.97, 1,151,276.47 and 255,211.55
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Solution
The fourth proportional to 767,683.97, 1,151,276.47 and 255,211.55 is: 382,734.39
Step by Step Solution
- Step 1: Write the proportion equation
767,683.97 : 1,151,276.47 = 255,211.55 : x - Step 2: Convert to fraction form
767,683.97/1,151,276.47 = 255,211.55/x - Step 3: Cross multiply
767,683.97x = 1,151,276.47 × 255,211.55 - Step 4: Simplify right side
767,683.97x = 293,819,052,387.23 - Step 5: Solve for x
x = 293,819,052,387.23/767,683.97 - Step 6: Final answer
x = 382,734.39
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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.