Finding the Fourth Proportional to 684,135.95, 944,189.73 and 397,656.09
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Solution
The fourth proportional to 684,135.95, 944,189.73 and 397,656.09 is: 548,813.14
Step by Step Solution
- Step 1: Write the proportion equation
684,135.95 : 944,189.73 = 397,656.09 : x - Step 2: Convert to fraction form
684,135.95/944,189.73 = 397,656.09/x - Step 3: Cross multiply
684,135.95x = 944,189.73 × 397,656.09 - Step 4: Simplify right side
684,135.95x = 375,462,796,249.96 - Step 5: Solve for x
x = 375,462,796,249.96/684,135.95 - Step 6: Final answer
x = 548,813.14
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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.