Finding the Fourth Proportional to 677,389.84, 1,016,112.84 and 277,748.80
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Solution
The fourth proportional to 677,389.84, 1,016,112.84 and 277,748.80 is: 416,634.71
Step by Step Solution
- Step 1: Write the proportion equation
677,389.84 : 1,016,112.84 = 277,748.80 : x - Step 2: Convert to fraction form
677,389.84/1,016,112.84 = 277,748.80/x - Step 3: Cross multiply
677,389.84x = 1,016,112.84 × 277,748.80 - Step 4: Simplify right side
677,389.84x = 282,224,121,974.59 - Step 5: Solve for x
x = 282,224,121,974.59/677,389.84 - Step 6: Final answer
x = 416,634.71
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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.