Finding the Fourth Proportional to 881,696.88, 1,214,582.04 and 639,267.12
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Solution
The fourth proportional to 881,696.88, 1,214,582.04 and 639,267.12 is: 880,622.79
Step by Step Solution
- Step 1: Write the proportion equation
881,696.88 : 1,214,582.04 = 639,267.12 : x - Step 2: Convert to fraction form
881,696.88/1,214,582.04 = 639,267.12/x - Step 3: Cross multiply
881,696.88x = 1,214,582.04 × 639,267.12 - Step 4: Simplify right side
881,696.88x = 776,442,362,714.53 - Step 5: Solve for x
x = 776,442,362,714.53/881,696.88 - Step 6: Final answer
x = 880,622.79
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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.