Finding the Fourth Proportional to 775,770.84, 1,070,306.46 and 632,284.44
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Solution
The fourth proportional to 775,770.84, 1,070,306.46 and 632,284.44 is: 872,342.82
Step by Step Solution
- Step 1: Write the proportion equation
775,770.84 : 1,070,306.46 = 632,284.44 : x - Step 2: Convert to fraction form
775,770.84/1,070,306.46 = 632,284.44/x - Step 3: Cross multiply
775,770.84x = 1,070,306.46 × 632,284.44 - Step 4: Simplify right side
775,770.84x = 676,738,120,689.48 - Step 5: Solve for x
x = 676,738,120,689.48/775,770.84 - Step 6: Final answer
x = 872,342.82
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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.