Finding the Fourth Proportional to 721,952.97, 996,306.90 and 395,260.53
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Solution
The fourth proportional to 721,952.97, 996,306.90 and 395,260.53 is: 545,465.99
Step by Step Solution
- Step 1: Write the proportion equation
721,952.97 : 996,306.90 = 395,260.53 : x - Step 2: Convert to fraction form
721,952.97/996,306.90 = 395,260.53/x - Step 3: Cross multiply
721,952.97x = 996,306.90 × 395,260.53 - Step 4: Simplify right side
721,952.97x = 393,800,793,336.66 - Step 5: Solve for x
x = 393,800,793,336.66/721,952.97 - Step 6: Final answer
x = 545,465.99
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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.