Finding the Fourth Proportional to 787,325.63, 1,181,163.40 and 288,689.63
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Solution
The fourth proportional to 787,325.63, 1,181,163.40 and 288,689.63 is: 433,098.59
Step by Step Solution
- Step 1: Write the proportion equation
787,325.63 : 1,181,163.40 = 288,689.63 : x - Step 2: Convert to fraction form
787,325.63/1,181,163.40 = 288,689.63/x - Step 3: Cross multiply
787,325.63x = 1,181,163.40 × 288,689.63 - Step 4: Simplify right side
787,325.63x = 340,989,618,288.00 - Step 5: Solve for x
x = 340,989,618,288.00/787,325.63 - Step 6: Final answer
x = 433,098.59
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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.