Finding the Fourth Proportional to 890,306.98, 1,228,624.71 and 482,408.50
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Solution
The fourth proportional to 890,306.98, 1,228,624.71 and 482,408.50 is: 665,724.31
Step by Step Solution
- Step 1: Write the proportion equation
890,306.98 : 1,228,624.71 = 482,408.50 : x - Step 2: Convert to fraction form
890,306.98/1,228,624.71 = 482,408.50/x - Step 3: Cross multiply
890,306.98x = 1,228,624.71 × 482,408.50 - Step 4: Simplify right side
890,306.98x = 592,699,002,646.15 - Step 5: Solve for x
x = 592,699,002,646.15/890,306.98 - Step 6: Final answer
x = 665,724.31
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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.