Finding the Fourth Proportional to 508,516.13, 702,224.89 and 327,539.14
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Solution
The fourth proportional to 508,516.13, 702,224.89 and 327,539.14 is: 452,308.45
Step by Step Solution
- Step 1: Write the proportion equation
508,516.13 : 702,224.89 = 327,539.14 : x - Step 2: Convert to fraction form
508,516.13/702,224.89 = 327,539.14/x - Step 3: Cross multiply
508,516.13x = 702,224.89 × 327,539.14 - Step 4: Simplify right side
508,516.13x = 230,006,139,775.21 - Step 5: Solve for x
x = 230,006,139,775.21/508,516.13 - Step 6: Final answer
x = 452,308.45
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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.