Finding the Fourth Proportional to 636,815.57, 880,066.35 and 521,912.99
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Solution
The fourth proportional to 636,815.57, 880,066.35 and 521,912.99 is: 721,273.29
Step by Step Solution
- Step 1: Write the proportion equation
636,815.57 : 880,066.35 = 521,912.99 : x - Step 2: Convert to fraction form
636,815.57/880,066.35 = 521,912.99/x - Step 3: Cross multiply
636,815.57x = 880,066.35 × 521,912.99 - Step 4: Simplify right side
636,815.57x = 459,318,055,726.56 - Step 5: Solve for x
x = 459,318,055,726.56/636,815.57 - Step 6: Final answer
x = 721,273.29
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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.