Finding the Fourth Proportional to 741,225.05, 1,023,000.26 and 469,318.17
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Solution
The fourth proportional to 741,225.05, 1,023,000.26 and 469,318.17 is: 647,728.53
Step by Step Solution
- Step 1: Write the proportion equation
741,225.05 : 1,023,000.26 = 469,318.17 : x - Step 2: Convert to fraction form
741,225.05/1,023,000.26 = 469,318.17/x - Step 3: Cross multiply
741,225.05x = 1,023,000.26 × 469,318.17 - Step 4: Simplify right side
741,225.05x = 480,112,607,586.13 - Step 5: Solve for x
x = 480,112,607,586.13/741,225.05 - Step 6: Final answer
x = 647,728.53
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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.