Finding the Fourth Proportional to 925,698.28, 1,389,336.36 and 365,126.44
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Solution
The fourth proportional to 925,698.28, 1,389,336.36 and 365,126.44 is: 548,000.84
Step by Step Solution
- Step 1: Write the proportion equation
925,698.28 : 1,389,336.36 = 365,126.44 : x - Step 2: Convert to fraction form
925,698.28/1,389,336.36 = 365,126.44/x - Step 3: Cross multiply
925,698.28x = 1,389,336.36 × 365,126.44 - Step 4: Simplify right side
925,698.28x = 507,283,439,089.36 - Step 5: Solve for x
x = 507,283,439,089.36/925,698.28 - Step 6: Final answer
x = 548,000.84
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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.