Finding the Fourth Proportional to 878,827.91, 1,318,387.94 and 302,428.17
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Solution
The fourth proportional to 878,827.91, 1,318,387.94 and 302,428.17 is: 453,692.52
Step by Step Solution
- Step 1: Write the proportion equation
878,827.91 : 1,318,387.94 = 302,428.17 : x - Step 2: Convert to fraction form
878,827.91/1,318,387.94 = 302,428.17/x - Step 3: Cross multiply
878,827.91x = 1,318,387.94 × 302,428.17 - Step 4: Simplify right side
878,827.91x = 398,717,650,532.13 - Step 5: Solve for x
x = 398,717,650,532.13/878,827.91 - Step 6: Final answer
x = 453,692.52
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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.