Finding the Fourth Proportional to 855,967.68, 1,284,165.12 and 256,939.92
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Solution
The fourth proportional to 855,967.68, 1,284,165.12 and 256,939.92 is: 385,474.00
Step by Step Solution
- Step 1: Write the proportion equation
855,967.68 : 1,284,165.12 = 256,939.92 : x - Step 2: Convert to fraction form
855,967.68/1,284,165.12 = 256,939.92/x - Step 3: Cross multiply
855,967.68x = 1,284,165.12 × 256,939.92 - Step 4: Simplify right side
855,967.68x = 329,953,283,199.59 - Step 5: Solve for x
x = 329,953,283,199.59/855,967.68 - Step 6: Final answer
x = 385,474.00
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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.