Finding the Fourth Proportional to 849,420.99, 1,172,201.14 and 467,447.77
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Solution
The fourth proportional to 849,420.99, 1,172,201.14 and 467,447.77 is: 645,078.02
Step by Step Solution
- Step 1: Write the proportion equation
849,420.99 : 1,172,201.14 = 467,447.77 : x - Step 2: Convert to fraction form
849,420.99/1,172,201.14 = 467,447.77/x - Step 3: Cross multiply
849,420.99x = 1,172,201.14 × 467,447.77 - Step 4: Simplify right side
849,420.99x = 547,942,811,814.96 - Step 5: Solve for x
x = 547,942,811,814.96/849,420.99 - Step 6: Final answer
x = 645,078.02
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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.