Finding the Fourth Proportional to 726,118.02, 1,001,965.95 and 403,776.09
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Solution
The fourth proportional to 726,118.02, 1,001,965.95 and 403,776.09 is: 557,168.23
Step by Step Solution
- Step 1: Write the proportion equation
726,118.02 : 1,001,965.95 = 403,776.09 : x - Step 2: Convert to fraction form
726,118.02/1,001,965.95 = 403,776.09/x - Step 3: Cross multiply
726,118.02x = 1,001,965.95 × 403,776.09 - Step 4: Simplify right side
726,118.02x = 404,569,893,604.14 - Step 5: Solve for x
x = 404,569,893,604.14/726,118.02 - Step 6: Final answer
x = 557,168.23
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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.