Finding the Fourth Proportional to 855,382.71, 1,283,359.08 and 286,820.02
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Solution
The fourth proportional to 855,382.71, 1,283,359.08 and 286,820.02 is: 430,325.60
Step by Step Solution
- Step 1: Write the proportion equation
855,382.71 : 1,283,359.08 = 286,820.02 : x - Step 2: Convert to fraction form
855,382.71/1,283,359.08 = 286,820.02/x - Step 3: Cross multiply
855,382.71x = 1,283,359.08 × 286,820.02 - Step 4: Simplify right side
855,382.71x = 368,093,076,992.78 - Step 5: Solve for x
x = 368,093,076,992.78/855,382.71 - Step 6: Final answer
x = 430,325.60
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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.