Finding the Fourth Proportional to 540,739.49, 811,596.74 and 288,230.28
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Solution
The fourth proportional to 540,739.49, 811,596.74 and 288,230.28 is: 432,605.28
Step by Step Solution
- Step 1: Write the proportion equation
540,739.49 : 811,596.74 = 288,230.28 : x - Step 2: Convert to fraction form
540,739.49/811,596.74 = 288,230.28/x - Step 3: Cross multiply
540,739.49x = 811,596.74 × 288,230.28 - Step 4: Simplify right side
540,739.49x = 233,926,754,176.14 - Step 5: Solve for x
x = 233,926,754,176.14/540,739.49 - Step 6: Final answer
x = 432,605.28
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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.