Finding the Fourth Proportional to 757,156.53, 1,134,612.81 and 307,330.05
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Solution
The fourth proportional to 757,156.53, 1,134,612.81 and 307,330.05 is: 460,539.66
Step by Step Solution
- Step 1: Write the proportion equation
757,156.53 : 1,134,612.81 = 307,330.05 : x - Step 2: Convert to fraction form
757,156.53/1,134,612.81 = 307,330.05/x - Step 3: Cross multiply
757,156.53x = 1,134,612.81 × 307,330.05 - Step 4: Simplify right side
757,156.53x = 348,700,611,627.94 - Step 5: Solve for x
x = 348,700,611,627.94/757,156.53 - Step 6: Final answer
x = 460,539.66
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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.