Finding the Fourth Proportional to 931,348.44, 1,395,853.74 and 398,242.44
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Solution
The fourth proportional to 931,348.44, 1,395,853.74 and 398,242.44 is: 596,863.83
Step by Step Solution
- Step 1: Write the proportion equation
931,348.44 : 1,395,853.74 = 398,242.44 : x - Step 2: Convert to fraction form
931,348.44/1,395,853.74 = 398,242.44/x - Step 3: Cross multiply
931,348.44x = 1,395,853.74 × 398,242.44 - Step 4: Simplify right side
931,348.44x = 555,888,199,300.73 - Step 5: Solve for x
x = 555,888,199,300.73/931,348.44 - Step 6: Final answer
x = 596,863.83
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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.