Finding the Fourth Proportional to 864,869.49, 1,193,593.69 and 482,970.08
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Solution
The fourth proportional to 864,869.49, 1,193,593.69 and 482,970.08 is: 666,539.92
Step by Step Solution
- Step 1: Write the proportion equation
864,869.49 : 1,193,593.69 = 482,970.08 : x - Step 2: Convert to fraction form
864,869.49/1,193,593.69 = 482,970.08/x - Step 3: Cross multiply
864,869.49x = 1,193,593.69 × 482,970.08 - Step 4: Simplify right side
864,869.49x = 576,470,043,534.49 - Step 5: Solve for x
x = 576,470,043,534.49/864,869.49 - Step 6: Final answer
x = 666,539.92
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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.