Finding the Fourth Proportional to 925,153.76, 1,276,695.60 and 522,737.12
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Solution
The fourth proportional to 925,153.76, 1,276,695.60 and 522,737.12 is: 721,367.85
Step by Step Solution
- Step 1: Write the proportion equation
925,153.76 : 1,276,695.60 = 522,737.12 : x - Step 2: Convert to fraction form
925,153.76/1,276,695.60 = 522,737.12/x - Step 3: Cross multiply
925,153.76x = 1,276,695.60 × 522,737.12 - Step 4: Simplify right side
925,153.76x = 667,376,181,060.67 - Step 5: Solve for x
x = 667,376,181,060.67/925,153.76 - Step 6: Final answer
x = 721,367.85
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1.5x scale
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.