Finding the Fourth Proportional to 855,828.28, 1,283,757 and 323,599.96
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Solution
The fourth proportional to 855,828.28, 1,283,757 and 323,599.96 is: 485,405.45
Step by Step Solution
- Step 1: Write the proportion equation
855,828.28 : 1,283,757 = 323,599.96 : x - Step 2: Convert to fraction form
855,828.28/1,283,757 = 323,599.96/x - Step 3: Cross multiply
855,828.28x = 1,283,757 × 323,599.96 - Step 4: Simplify right side
855,828.28x = 415,423,713,849.72 - Step 5: Solve for x
x = 415,423,713,849.72/855,828.28 - Step 6: Final answer
x = 485,405.45
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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.