Finding the Fourth Proportional to 696,718.12, 961,466.50 and 378,766.12
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Solution
The fourth proportional to 696,718.12, 961,466.50 and 378,766.12 is: 522,694.80
Step by Step Solution
- Step 1: Write the proportion equation
696,718.12 : 961,466.50 = 378,766.12 : x - Step 2: Convert to fraction form
696,718.12/961,466.50 = 378,766.12/x - Step 3: Cross multiply
696,718.12x = 961,466.50 × 378,766.12 - Step 4: Simplify right side
696,718.12x = 364,170,935,714.98 - Step 5: Solve for x
x = 364,170,935,714.98/696,718.12 - Step 6: Final answer
x = 522,694.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.