Finding the Fourth Proportional to 890,394.39, 1,228,745.30 and 482,492.67
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Solution
The fourth proportional to 890,394.39, 1,228,745.30 and 482,492.67 is: 665,840.45
Step by Step Solution
- Step 1: Write the proportion equation
890,394.39 : 1,228,745.30 = 482,492.67 : x - Step 2: Convert to fraction form
890,394.39/1,228,745.30 = 482,492.67/x - Step 3: Cross multiply
890,394.39x = 1,228,745.30 × 482,492.67 - Step 4: Simplify right side
890,394.39x = 592,860,598,134.49 - Step 5: Solve for x
x = 592,860,598,134.49/890,394.39 - Step 6: Final answer
x = 665,840.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.