Finding the Fourth Proportional to 745,136.20, 1,117,077.36 and 324,094.96
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Solution
The fourth proportional to 745,136.20, 1,117,077.36 and 324,094.96 is: 485,869.75
Step by Step Solution
- Step 1: Write the proportion equation
745,136.20 : 1,117,077.36 = 324,094.96 : x - Step 2: Convert to fraction form
745,136.20/1,117,077.36 = 324,094.96/x - Step 3: Cross multiply
745,136.20x = 1,117,077.36 × 324,094.96 - Step 4: Simplify right side
745,136.20x = 362,039,142,306.11 - Step 5: Solve for x
x = 362,039,142,306.11/745,136.20 - Step 6: Final answer
x = 485,869.75
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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.