Finding the Fourth Proportional to 647,745.70, 970,306.35 and 366,934.90
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Solution
The fourth proportional to 647,745.70, 970,306.35 and 366,934.90 is: 549,659.02
Step by Step Solution
- Step 1: Write the proportion equation
647,745.70 : 970,306.35 = 366,934.90 : x - Step 2: Convert to fraction form
647,745.70/970,306.35 = 366,934.90/x - Step 3: Cross multiply
647,745.70x = 970,306.35 × 366,934.90 - Step 4: Simplify right side
647,745.70x = 356,039,263,506.62 - Step 5: Solve for x
x = 356,039,263,506.62/647,745.70 - Step 6: Final answer
x = 549,659.02
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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.