Finding the Fourth Proportional to 780,630.93, 1,170,695.58 and 248,027.49
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Solution
The fourth proportional to 780,630.93, 1,170,695.58 and 248,027.49 is: 371,961.54
Step by Step Solution
- Step 1: Write the proportion equation
780,630.93 : 1,170,695.58 = 248,027.49 : x - Step 2: Convert to fraction form
780,630.93/1,170,695.58 = 248,027.49/x - Step 3: Cross multiply
780,630.93x = 1,170,695.58 × 248,027.49 - Step 4: Simplify right side
780,630.93x = 290,364,686,261.49 - Step 5: Solve for x
x = 290,364,686,261.49/780,630.93 - Step 6: Final answer
x = 371,961.54
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1.5x scale
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.