Finding the Fourth Proportional to 779,644.97, 1,169,934.02 and 336,412.97
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Solution
The fourth proportional to 779,644.97, 1,169,934.02 and 336,412.97 is: 504,820.78
Step by Step Solution
- Step 1: Write the proportion equation
779,644.97 : 1,169,934.02 = 336,412.97 : x - Step 2: Convert to fraction form
779,644.97/1,169,934.02 = 336,412.97/x - Step 3: Cross multiply
779,644.97x = 1,169,934.02 × 336,412.97 - Step 4: Simplify right side
779,644.97x = 393,580,979,615.01 - Step 5: Solve for x
x = 393,580,979,615.01/779,644.97 - Step 6: Final answer
x = 504,820.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.