Finding the Fourth Proportional to 822,073.09, 1,134,484.77 and 449,557.91
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Solution
The fourth proportional to 822,073.09, 1,134,484.77 and 449,557.91 is: 620,402.99
Step by Step Solution
- Step 1: Write the proportion equation
822,073.09 : 1,134,484.77 = 449,557.91 : x - Step 2: Convert to fraction form
822,073.09/1,134,484.77 = 449,557.91/x - Step 3: Cross multiply
822,073.09x = 1,134,484.77 × 449,557.91 - Step 4: Simplify right side
822,073.09x = 510,016,599,880.24 - Step 5: Solve for x
x = 510,016,599,880.24/822,073.09 - Step 6: Final answer
x = 620,402.99
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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.