Finding the Fourth Proportional to 842,896.63, 1,264,663.49 and 506,172.05
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Solution
The fourth proportional to 842,896.63, 1,264,663.49 and 506,172.05 is: 759,449.36
Step by Step Solution
- Step 1: Write the proportion equation
842,896.63 : 1,264,663.49 = 506,172.05 : x - Step 2: Convert to fraction form
842,896.63/1,264,663.49 = 506,172.05/x - Step 3: Cross multiply
842,896.63x = 1,264,663.49 × 506,172.05 - Step 4: Simplify right side
842,896.63x = 640,137,302,439.28 - Step 5: Solve for x
x = 640,137,302,439.28/842,896.63 - Step 6: Final answer
x = 759,449.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.