Finding the Fourth Proportional to 512,263.14, 706,857.93 and 285,918.18
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Solution
The fourth proportional to 512,263.14, 706,857.93 and 285,918.18 is: 394,530.70
Step by Step Solution
- Step 1: Write the proportion equation
512,263.14 : 706,857.93 = 285,918.18 : x - Step 2: Convert to fraction form
512,263.14/706,857.93 = 285,918.18/x - Step 3: Cross multiply
512,263.14x = 706,857.93 × 285,918.18 - Step 4: Simplify right side
512,263.14x = 202,103,532,864.17 - Step 5: Solve for x
x = 202,103,532,864.17/512,263.14 - Step 6: Final answer
x = 394,530.70
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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.