Finding the Fourth Proportional to 671,468.49, 1,006,226.79 and 430,827.42
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Solution
The fourth proportional to 671,468.49, 1,006,226.79 and 430,827.42 is: 645,614.94
Step by Step Solution
- Step 1: Write the proportion equation
671,468.49 : 1,006,226.79 = 430,827.42 : x - Step 2: Convert to fraction form
671,468.49/1,006,226.79 = 430,827.42/x - Step 3: Cross multiply
671,468.49x = 1,006,226.79 × 430,827.42 - Step 4: Simplify right side
671,468.49x = 433,510,091,870.58 - Step 5: Solve for x
x = 433,510,091,870.58/671,468.49 - Step 6: Final answer
x = 645,614.94
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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.