Finding the Fourth Proportional to 686,475.40, 1,029,602.94 and 187,722.76
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Solution
The fourth proportional to 686,475.40, 1,029,602.94 and 187,722.76 is: 281,554.02
Step by Step Solution
- Step 1: Write the proportion equation
686,475.40 : 1,029,602.94 = 187,722.76 : x - Step 2: Convert to fraction form
686,475.40/1,029,602.94 = 187,722.76/x - Step 3: Cross multiply
686,475.40x = 1,029,602.94 × 187,722.76 - Step 4: Simplify right side
686,475.40x = 193,279,905,600.91 - Step 5: Solve for x
x = 193,279,905,600.91/686,475.40 - Step 6: Final answer
x = 281,554.02
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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.