Finding the Fourth Proportional to 931,627.28, 1,397,492.76 and 266,762
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Solution
The fourth proportional to 931,627.28, 1,397,492.76 and 266,762 is: 400,157.84
Step by Step Solution
- Step 1: Write the proportion equation
931,627.28 : 1,397,492.76 = 266,762 : x - Step 2: Convert to fraction form
931,627.28/1,397,492.76 = 266,762/x - Step 3: Cross multiply
931,627.28x = 1,397,492.76 × 266,762 - Step 4: Simplify right side
931,627.28x = 372,797,963,643.12 - Step 5: Solve for x
x = 372,797,963,643.12/931,627.28 - Step 6: Final answer
x = 400,157.84
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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.