Finding the Fourth Proportional to 589,687.28, 813,768.68 and 335,038.80
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Solution
The fourth proportional to 589,687.28, 813,768.68 and 335,038.80 is: 462,353.68
Step by Step Solution
- Step 1: Write the proportion equation
589,687.28 : 813,768.68 = 335,038.80 : x - Step 2: Convert to fraction form
589,687.28/813,768.68 = 335,038.80/x - Step 3: Cross multiply
589,687.28x = 813,768.68 × 335,038.80 - Step 4: Simplify right side
589,687.28x = 272,644,082,024.78 - Step 5: Solve for x
x = 272,644,082,024.78/589,687.28 - Step 6: Final answer
x = 462,353.68
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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.