Finding the Fourth Proportional to 738,509.67, 1,107,763.65 and 265,195.53
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Solution
The fourth proportional to 738,509.67, 1,107,763.65 and 265,195.53 is: 397,792.99
Step by Step Solution
- Step 1: Write the proportion equation
738,509.67 : 1,107,763.65 = 265,195.53 : x - Step 2: Convert to fraction form
738,509.67/1,107,763.65 = 265,195.53/x - Step 3: Cross multiply
738,509.67x = 1,107,763.65 × 265,195.53 - Step 4: Simplify right side
738,509.67x = 293,773,968,276.49 - Step 5: Solve for x
x = 293,773,968,276.49/738,509.67 - Step 6: Final answer
x = 397,792.99
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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.