Finding the Fourth Proportional to 753,840.57, 1,130,927.58 and 248,381.13
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Solution
The fourth proportional to 753,840.57, 1,130,927.58 and 248,381.13 is: 372,626.63
Step by Step Solution
- Step 1: Write the proportion equation
753,840.57 : 1,130,927.58 = 248,381.13 : x - Step 2: Convert to fraction form
753,840.57/1,130,927.58 = 248,381.13/x - Step 3: Cross multiply
753,840.57x = 1,130,927.58 × 248,381.13 - Step 4: Simplify right side
753,840.57x = 280,901,070,268.57 - Step 5: Solve for x
x = 280,901,070,268.57/753,840.57 - Step 6: Final answer
x = 372,626.63
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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.