Finding the Fourth Proportional to 838,272.09, 1,257,408.54 and 277,306.59
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Solution
The fourth proportional to 838,272.09, 1,257,408.54 and 277,306.59 is: 415,960.02
Step by Step Solution
- Step 1: Write the proportion equation
838,272.09 : 1,257,408.54 = 277,306.59 : x - Step 2: Convert to fraction form
838,272.09/1,257,408.54 = 277,306.59/x - Step 3: Cross multiply
838,272.09x = 1,257,408.54 × 277,306.59 - Step 4: Simplify right side
838,272.09x = 348,687,674,464.28 - Step 5: Solve for x
x = 348,687,674,464.28/838,272.09 - Step 6: Final answer
x = 415,960.02
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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.