Finding the Fourth Proportional to 890,874.10, 1,230,421.16 and 603,895.96
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Solution
The fourth proportional to 890,874.10, 1,230,421.16 and 603,895.96 is: 834,064.39
Step by Step Solution
- Step 1: Write the proportion equation
890,874.10 : 1,230,421.16 = 603,895.96 : x - Step 2: Convert to fraction form
890,874.10/1,230,421.16 = 603,895.96/x - Step 3: Cross multiply
890,874.10x = 1,230,421.16 × 603,895.96 - Step 4: Simplify right side
890,874.10x = 743,046,358,450.93 - Step 5: Solve for x
x = 743,046,358,450.93/890,874.10 - Step 6: Final answer
x = 834,064.39
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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.