Finding the Fourth Proportional to 696,039.70, 1,044,059.55 and 471,507.70
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Solution
The fourth proportional to 696,039.70, 1,044,059.55 and 471,507.70 is: 707,261.55
Step by Step Solution
- Step 1: Write the proportion equation
696,039.70 : 1,044,059.55 = 471,507.70 : x - Step 2: Convert to fraction form
696,039.70/1,044,059.55 = 471,507.70/x - Step 3: Cross multiply
696,039.70x = 1,044,059.55 × 471,507.70 - Step 4: Simplify right side
696,039.70x = 492,282,117,083.54 - Step 5: Solve for x
x = 492,282,117,083.54/696,039.70 - Step 6: Final answer
x = 707,261.55
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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.