Finding the Fourth Proportional to 834,217.08, 1,251,638.34 and 385,153.08
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Solution
The fourth proportional to 834,217.08, 1,251,638.34 and 385,153.08 is: 577,874.00
Step by Step Solution
- Step 1: Write the proportion equation
834,217.08 : 1,251,638.34 = 385,153.08 : x - Step 2: Convert to fraction form
834,217.08/1,251,638.34 = 385,153.08/x - Step 3: Cross multiply
834,217.08x = 1,251,638.34 × 385,153.08 - Step 4: Simplify right side
834,217.08x = 482,072,361,697.09 - Step 5: Solve for x
x = 482,072,361,697.09/834,217.08 - Step 6: Final answer
x = 577,874.00
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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.