Finding the Fourth Proportional to 403,249.40, 604,874.10 and 328,599.80
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Solution
The fourth proportional to 403,249.40, 604,874.10 and 328,599.80 is: 492,899.70
Step by Step Solution
- Step 1: Write the proportion equation
403,249.40 : 604,874.10 = 328,599.80 : x - Step 2: Convert to fraction form
403,249.40/604,874.10 = 328,599.80/x - Step 3: Cross multiply
403,249.40x = 604,874.10 × 328,599.80 - Step 4: Simplify right side
403,249.40x = 198,761,508,285.18 - Step 5: Solve for x
x = 198,761,508,285.18/403,249.40 - Step 6: Final answer
x = 492,899.70
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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.