Finding the Fourth Proportional to 696,083.70, 1,044,125.55 and 556,115.70
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Solution
The fourth proportional to 696,083.70, 1,044,125.55 and 556,115.70 is: 834,173.55
Step by Step Solution
- Step 1: Write the proportion equation
696,083.70 : 1,044,125.55 = 556,115.70 : x - Step 2: Convert to fraction form
696,083.70/1,044,125.55 = 556,115.70/x - Step 3: Cross multiply
696,083.70x = 1,044,125.55 × 556,115.70 - Step 4: Simplify right side
696,083.70x = 580,654,611,126.14 - Step 5: Solve for x
x = 580,654,611,126.14/696,083.70 - Step 6: Final answer
x = 834,173.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.