Finding the Fourth Proportional to 784,389.65, 1,177,082.12 and 335,113.91
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Solution
The fourth proportional to 784,389.65, 1,177,082.12 and 335,113.91 is: 502,883.46
Step by Step Solution
- Step 1: Write the proportion equation
784,389.65 : 1,177,082.12 = 335,113.91 : x - Step 2: Convert to fraction form
784,389.65/1,177,082.12 = 335,113.91/x - Step 3: Cross multiply
784,389.65x = 1,177,082.12 × 335,113.91 - Step 4: Simplify right side
784,389.65x = 394,456,584,063.31 - Step 5: Solve for x
x = 394,456,584,063.31/784,389.65 - Step 6: Final answer
x = 502,883.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.