Finding the Fourth Proportional to 987,165.59, 1,480,838.74 and 277,188.84
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Solution
The fourth proportional to 987,165.59, 1,480,838.74 and 277,188.84 is: 415,808.63
Step by Step Solution
- Step 1: Write the proportion equation
987,165.59 : 1,480,838.74 = 277,188.84 : x - Step 2: Convert to fraction form
987,165.59/1,480,838.74 = 277,188.84/x - Step 3: Cross multiply
987,165.59x = 1,480,838.74 × 277,188.84 - Step 4: Simplify right side
987,165.59x = 410,471,973,433.88 - Step 5: Solve for x
x = 410,471,973,433.88/987,165.59 - Step 6: Final answer
x = 415,808.63
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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.