Finding the Fourth Proportional to 879,622.97, 1,213,871.49 and 497,649.75
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Solution
The fourth proportional to 879,622.97, 1,213,871.49 and 497,649.75 is: 686,752.01
Step by Step Solution
- Step 1: Write the proportion equation
879,622.97 : 1,213,871.49 = 497,649.75 : x - Step 2: Convert to fraction form
879,622.97/1,213,871.49 = 497,649.75/x - Step 3: Cross multiply
879,622.97x = 1,213,871.49 × 497,649.75 - Step 4: Simplify right side
879,622.97x = 604,082,843,530.63 - Step 5: Solve for x
x = 604,082,843,530.63/879,622.97 - Step 6: Final answer
x = 686,752.01
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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.