Finding the Fourth Proportional to 426,850.80, 638,893.80 and 302,434.80
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Solution
The fourth proportional to 426,850.80, 638,893.80 and 302,434.80 is: 452,672.73
Step by Step Solution
- Step 1: Write the proportion equation
426,850.80 : 638,893.80 = 302,434.80 : x - Step 2: Convert to fraction form
426,850.80/638,893.80 = 302,434.80/x - Step 3: Cross multiply
426,850.80x = 638,893.80 × 302,434.80 - Step 4: Simplify right side
426,850.80x = 193,223,718,624.24 - Step 5: Solve for x
x = 193,223,718,624.24/426,850.80 - Step 6: Final answer
x = 452,672.73
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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.