Finding the Fourth Proportional to 589,243.08, 813,094.88 and 331,079.02
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Solution
The fourth proportional to 589,243.08, 813,094.88 and 331,079.02 is: 456,855.01
Step by Step Solution
- Step 1: Write the proportion equation
589,243.08 : 813,094.88 = 331,079.02 : x - Step 2: Convert to fraction form
589,243.08/813,094.88 = 331,079.02/x - Step 3: Cross multiply
589,243.08x = 813,094.88 × 331,079.02 - Step 4: Simplify right side
589,243.08x = 269,198,652,349.29 - Step 5: Solve for x
x = 269,198,652,349.29/589,243.08 - Step 6: Final answer
x = 456,855.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.