Finding the Fourth Proportional to 726,038.02, 1,001,855.75 and 403,696.09
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Solution
The fourth proportional to 726,038.02, 1,001,855.75 and 403,696.09 is: 557,057.95
Step by Step Solution
- Step 1: Write the proportion equation
726,038.02 : 1,001,855.75 = 403,696.09 : x - Step 2: Convert to fraction form
726,038.02/1,001,855.75 = 403,696.09/x - Step 3: Cross multiply
726,038.02x = 1,001,855.75 × 403,696.09 - Step 4: Simplify right side
726,038.02x = 404,445,249,019.02 - Step 5: Solve for x
x = 404,445,249,019.02/726,038.02 - Step 6: Final answer
x = 557,057.95
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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.