Finding the Fourth Proportional to 849,669.87, 1,172,407.19 and 487,027
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Solution
The fourth proportional to 849,669.87, 1,172,407.19 and 487,027 is: 672,018.60
Step by Step Solution
- Step 1: Write the proportion equation
849,669.87 : 1,172,407.19 = 487,027 : x - Step 2: Convert to fraction form
849,669.87/1,172,407.19 = 487,027/x - Step 3: Cross multiply
849,669.87x = 1,172,407.19 × 487,027 - Step 4: Simplify right side
849,669.87x = 570,993,956,524.13 - Step 5: Solve for x
x = 570,993,956,524.13/849,669.87 - Step 6: Final answer
x = 672,018.60
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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.