Finding the Fourth Proportional to 508,745.10, 702,192.08 and 304,916.70
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Solution
The fourth proportional to 508,745.10, 702,192.08 and 304,916.70 is: 420,859.27
Step by Step Solution
- Step 1: Write the proportion equation
508,745.10 : 702,192.08 = 304,916.70 : x - Step 2: Convert to fraction form
508,745.10/702,192.08 = 304,916.70/x - Step 3: Cross multiply
508,745.10x = 702,192.08 × 304,916.70 - Step 4: Simplify right side
508,745.10x = 214,110,090,275.15 - Step 5: Solve for x
x = 214,110,090,275.15/508,745.10 - Step 6: Final answer
x = 420,859.27
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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.