Finding the Fourth Proportional to 931,229.62, 1,395,675.80 and 398,124.08
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Solution
The fourth proportional to 931,229.62, 1,395,675.80 and 398,124.08 is: 596,686.50
Step by Step Solution
- Step 1: Write the proportion equation
931,229.62 : 1,395,675.80 = 398,124.08 : x - Step 2: Convert to fraction form
931,229.62/1,395,675.80 = 398,124.08/x - Step 3: Cross multiply
931,229.62x = 1,395,675.80 × 398,124.08 - Step 4: Simplify right side
931,229.62x = 555,652,143,853.26 - Step 5: Solve for x
x = 555,652,143,853.26/931,229.62 - Step 6: Final answer
x = 596,686.50
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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.