Finding the Fourth Proportional to 709,472.48, 979,092.76 and 387,203.26
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Solution
The fourth proportional to 709,472.48, 979,092.76 and 387,203.26 is: 534,351.82
Step by Step Solution
- Step 1: Write the proportion equation
709,472.48 : 979,092.76 = 387,203.26 : x - Step 2: Convert to fraction form
709,472.48/979,092.76 = 387,203.26/x - Step 3: Cross multiply
709,472.48x = 979,092.76 × 387,203.26 - Step 4: Simplify right side
709,472.48x = 379,107,908,514.40 - Step 5: Solve for x
x = 379,107,908,514.40/709,472.48 - Step 6: Final answer
x = 534,351.82
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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.