Finding the Fourth Proportional to 452,035.21, 676,433.85 and 391,455.31
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Solution
The fourth proportional to 452,035.21, 676,433.85 and 391,455.31 is: 585,780.97
Step by Step Solution
- Step 1: Write the proportion equation
452,035.21 : 676,433.85 = 391,455.31 : x - Step 2: Convert to fraction form
452,035.21/676,433.85 = 391,455.31/x - Step 3: Cross multiply
452,035.21x = 676,433.85 × 391,455.31 - Step 4: Simplify right side
452,035.21x = 264,793,622,446.24 - Step 5: Solve for x
x = 264,793,622,446.24/452,035.21 - Step 6: Final answer
x = 585,780.97
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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.