Finding the Fourth Proportional to 526,605.81, 726,713.02 and 284,887.68
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Solution
The fourth proportional to 526,605.81, 726,713.02 and 284,887.68 is: 393,143.38
Step by Step Solution
- Step 1: Write the proportion equation
526,605.81 : 726,713.02 = 284,887.68 : x - Step 2: Convert to fraction form
526,605.81/726,713.02 = 284,887.68/x - Step 3: Cross multiply
526,605.81x = 726,713.02 × 284,887.68 - Step 4: Simplify right side
526,605.81x = 207,031,586,293.59 - Step 5: Solve for x
x = 207,031,586,293.59/526,605.81 - Step 6: Final answer
x = 393,143.38
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1.5x scale
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.