Finding the Fourth Proportional to 725,934.41, 1,001,812.62 and 403,658.09
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Solution
The fourth proportional to 725,934.41, 1,001,812.62 and 403,658.09 is: 557,061.02
Step by Step Solution
- Step 1: Write the proportion equation
725,934.41 : 1,001,812.62 = 403,658.09 : x - Step 2: Convert to fraction form
725,934.41/1,001,812.62 = 403,658.09/x - Step 3: Cross multiply
725,934.41x = 1,001,812.62 × 403,658.09 - Step 4: Simplify right side
725,934.41x = 404,389,763,718.03 - Step 5: Solve for x
x = 404,389,763,718.03/725,934.41 - Step 6: Final answer
x = 557,061.02
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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.