Finding the Fourth Proportional to 403,885.70, 605,828.55 and 364,519.70
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Solution
The fourth proportional to 403,885.70, 605,828.55 and 364,519.70 is: 546,779.55
Step by Step Solution
- Step 1: Write the proportion equation
403,885.70 : 605,828.55 = 364,519.70 : x - Step 2: Convert to fraction form
403,885.70/605,828.55 = 364,519.70/x - Step 3: Cross multiply
403,885.70x = 605,828.55 × 364,519.70 - Step 4: Simplify right side
403,885.70x = 220,836,441,297.44 - Step 5: Solve for x
x = 220,836,441,297.44/403,885.70 - Step 6: Final answer
x = 546,779.55
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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.