Finding the Fourth Proportional to 720,553.78, 1,079,956.71 and 529,240.19
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Solution
The fourth proportional to 720,553.78, 1,079,956.71 and 529,240.19 is: 793,218.38
Step by Step Solution
- Step 1: Write the proportion equation
720,553.78 : 1,079,956.71 = 529,240.19 : x - Step 2: Convert to fraction form
720,553.78/1,079,956.71 = 529,240.19/x - Step 3: Cross multiply
720,553.78x = 1,079,956.71 × 529,240.19 - Step 4: Simplify right side
720,553.78x = 571,556,497,092.07 - Step 5: Solve for x
x = 571,556,497,092.07/720,553.78 - Step 6: Final answer
x = 793,218.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.