Finding the Fourth Proportional to 810,499.14, 1,118,453.94 and 466,309.08
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Solution
The fourth proportional to 810,499.14, 1,118,453.94 and 466,309.08 is: 643,486.47
Step by Step Solution
- Step 1: Write the proportion equation
810,499.14 : 1,118,453.94 = 466,309.08 : x - Step 2: Convert to fraction form
810,499.14/1,118,453.94 = 466,309.08/x - Step 3: Cross multiply
810,499.14x = 1,118,453.94 × 466,309.08 - Step 4: Simplify right side
810,499.14x = 521,545,227,783.78 - Step 5: Solve for x
x = 521,545,227,783.78/810,499.14 - Step 6: Final answer
x = 643,486.47
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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.