Finding the Fourth Proportional to 810,910.96, 1,119,024.12 and 448,311.76
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Solution
The fourth proportional to 810,910.96, 1,119,024.12 and 448,311.76 is: 618,651.98
Step by Step Solution
- Step 1: Write the proportion equation
810,910.96 : 1,119,024.12 = 448,311.76 : x - Step 2: Convert to fraction form
810,910.96/1,119,024.12 = 448,311.76/x - Step 3: Cross multiply
810,910.96x = 1,119,024.12 × 448,311.76 - Step 4: Simplify right side
810,910.96x = 501,671,672,719.65 - Step 5: Solve for x
x = 501,671,672,719.65/810,910.96 - Step 6: Final answer
x = 618,651.98
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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.