Finding the Fourth Proportional to 526,678.49, 726,811.14 and 284,955.75
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Solution
The fourth proportional to 526,678.49, 726,811.14 and 284,955.75 is: 393,236.14
Step by Step Solution
- Step 1: Write the proportion equation
526,678.49 : 726,811.14 = 284,955.75 : x - Step 2: Convert to fraction form
526,678.49/726,811.14 = 284,955.75/x - Step 3: Cross multiply
526,678.49x = 726,811.14 × 284,955.75 - Step 4: Simplify right side
526,678.49x = 207,109,013,507.06 - Step 5: Solve for x
x = 207,109,013,507.06/526,678.49 - Step 6: Final answer
x = 393,236.14
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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.