Finding the Fourth Proportional to 970,377.09, 1,339,129.43 and 534,809.97
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Solution
The fourth proportional to 970,377.09, 1,339,129.43 and 534,809.97 is: 738,042.74
Step by Step Solution
- Step 1: Write the proportion equation
970,377.09 : 1,339,129.43 = 534,809.97 : x - Step 2: Convert to fraction form
970,377.09/1,339,129.43 = 534,809.97/x - Step 3: Cross multiply
970,377.09x = 1,339,129.43 × 534,809.97 - Step 4: Simplify right side
970,377.09x = 716,179,767,610.37 - Step 5: Solve for x
x = 716,179,767,610.37/970,377.09 - Step 6: Final answer
x = 738,042.74
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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.