Finding the Fourth Proportional to 813,455.36, 1,220,285.12 and 244,747.88
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Solution
The fourth proportional to 813,455.36, 1,220,285.12 and 244,747.88 is: 367,152.53
Step by Step Solution
- Step 1: Write the proportion equation
813,455.36 : 1,220,285.12 = 244,747.88 : x - Step 2: Convert to fraction form
813,455.36/1,220,285.12 = 244,747.88/x - Step 3: Cross multiply
813,455.36x = 1,220,285.12 × 244,747.88 - Step 4: Simplify right side
813,455.36x = 298,662,196,115.55 - Step 5: Solve for x
x = 298,662,196,115.55/813,455.36 - Step 6: Final answer
x = 367,152.53
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1.5x scale
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.