Finding the Fourth Proportional to 870,182.09, 1,199,880.54 and 563,855.99
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Solution
The fourth proportional to 870,182.09, 1,199,880.54 and 563,855.99 is: 777,492.24
Step by Step Solution
- Step 1: Write the proportion equation
870,182.09 : 1,199,880.54 = 563,855.99 : x - Step 2: Convert to fraction form
870,182.09/1,199,880.54 = 563,855.99/x - Step 3: Cross multiply
870,182.09x = 1,199,880.54 × 563,855.99 - Step 4: Simplify right side
870,182.09x = 676,559,823,764.03 - Step 5: Solve for x
x = 676,559,823,764.03/870,182.09 - Step 6: Final answer
x = 777,492.24
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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.