Finding the Fourth Proportional to 511,634.38, 706,332.26 and 307,730.82
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Solution
The fourth proportional to 511,634.38, 706,332.26 and 307,730.82 is: 424,835.03
Step by Step Solution
- Step 1: Write the proportion equation
511,634.38 : 706,332.26 = 307,730.82 : x - Step 2: Convert to fraction form
511,634.38/706,332.26 = 307,730.82/x - Step 3: Cross multiply
511,634.38x = 706,332.26 × 307,730.82 - Step 4: Simplify right side
511,634.38x = 217,360,205,562.25 - Step 5: Solve for x
x = 217,360,205,562.25/511,634.38 - Step 6: Final answer
x = 424,835.03
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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.