Finding the Fourth Proportional to 659,405.13, 910,028.05 and 369,045.84
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Solution
The fourth proportional to 659,405.13, 910,028.05 and 369,045.84 is: 509,310.67
Step by Step Solution
- Step 1: Write the proportion equation
659,405.13 : 910,028.05 = 369,045.84 : x - Step 2: Convert to fraction form
659,405.13/910,028.05 = 369,045.84/x - Step 3: Cross multiply
659,405.13x = 910,028.05 × 369,045.84 - Step 4: Simplify right side
659,405.13x = 335,842,066,135.81 - Step 5: Solve for x
x = 335,842,066,135.81/659,405.13 - Step 6: Final answer
x = 509,310.67
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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.