Finding the Fourth Proportional to 945,687.92, 1,418,426.68 and 338,451.76
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Solution
The fourth proportional to 945,687.92, 1,418,426.68 and 338,451.76 is: 507,639.99
Step by Step Solution
- Step 1: Write the proportion equation
945,687.92 : 1,418,426.68 = 338,451.76 : x - Step 2: Convert to fraction form
945,687.92/1,418,426.68 = 338,451.76/x - Step 3: Cross multiply
945,687.92x = 1,418,426.68 × 338,451.76 - Step 4: Simplify right side
945,687.92x = 480,069,006,276.96 - Step 5: Solve for x
x = 480,069,006,276.96/945,687.92 - Step 6: Final answer
x = 507,639.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.