Finding the Fourth Proportional to 895,893.36, 1,236,332.94 and 493,485.36
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Solution
The fourth proportional to 895,893.36, 1,236,332.94 and 493,485.36 is: 681,009.85
Step by Step Solution
- Step 1: Write the proportion equation
895,893.36 : 1,236,332.94 = 493,485.36 : x - Step 2: Convert to fraction form
895,893.36/1,236,332.94 = 493,485.36/x - Step 3: Cross multiply
895,893.36x = 1,236,332.94 × 493,485.36 - Step 4: Simplify right side
895,893.36x = 610,112,205,975.76 - Step 5: Solve for x
x = 610,112,205,975.76/895,893.36 - Step 6: Final answer
x = 681,009.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.