Finding the Fourth Proportional to 757,480.26, 1,137,733.65 and 473,675.70
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Solution
The fourth proportional to 757,480.26, 1,137,733.65 and 473,675.70 is: 711,459.84
Step by Step Solution
- Step 1: Write the proportion equation
757,480.26 : 1,137,733.65 = 473,675.70 : x - Step 2: Convert to fraction form
757,480.26/1,137,733.65 = 473,675.70/x - Step 3: Cross multiply
757,480.26x = 1,137,733.65 × 473,675.70 - Step 4: Simplify right side
757,480.26x = 538,916,783,077.31 - Step 5: Solve for x
x = 538,916,783,077.31/757,480.26 - Step 6: Final answer
x = 711,459.84
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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.