Finding the Fourth Proportional to 749,344.17, 1,034,092.69 and 405,177.70
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Solution
The fourth proportional to 749,344.17, 1,034,092.69 and 405,177.70 is: 559,144.00
Step by Step Solution
- Step 1: Write the proportion equation
749,344.17 : 1,034,092.69 = 405,177.70 : x - Step 2: Convert to fraction form
749,344.17/1,034,092.69 = 405,177.70/x - Step 3: Cross multiply
749,344.17x = 1,034,092.69 × 405,177.70 - Step 4: Simplify right side
749,344.17x = 418,991,297,721.01 - Step 5: Solve for x
x = 418,991,297,721.01/749,344.17 - Step 6: Final answer
x = 559,144.00
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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.