Finding the Fourth Proportional to 872,554.04, 1,309,530.99 and 451,950.20
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Solution
The fourth proportional to 872,554.04, 1,309,530.99 and 451,950.20 is: 678,287.84
Step by Step Solution
- Step 1: Write the proportion equation
872,554.04 : 1,309,530.99 = 451,950.20 : x - Step 2: Convert to fraction form
872,554.04/1,309,530.99 = 451,950.20/x - Step 3: Cross multiply
872,554.04x = 1,309,530.99 × 451,950.20 - Step 4: Simplify right side
872,554.04x = 591,842,792,836.70 - Step 5: Solve for x
x = 591,842,792,836.70/872,554.04 - Step 6: Final answer
x = 678,287.84
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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.