Finding the Fourth Proportional to 492,780.10, 738,133.35 and 409,836.10
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Solution
The fourth proportional to 492,780.10, 738,133.35 and 409,836.10 is: 613,891.86
Step by Step Solution
- Step 1: Write the proportion equation
492,780.10 : 738,133.35 = 409,836.10 : x - Step 2: Convert to fraction form
492,780.10/738,133.35 = 409,836.10/x - Step 3: Cross multiply
492,780.10x = 738,133.35 × 409,836.10 - Step 4: Simplify right side
492,780.10x = 302,513,693,443.94 - Step 5: Solve for x
x = 302,513,693,443.94/492,780.10 - Step 6: Final answer
x = 613,891.86
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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.