Finding the Fourth Proportional to 696,069.70, 1,044,104.55 and 486,117.70
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Solution
The fourth proportional to 696,069.70, 1,044,104.55 and 486,117.70 is: 729,176.55
Step by Step Solution
- Step 1: Write the proportion equation
696,069.70 : 1,044,104.55 = 486,117.70 : x - Step 2: Convert to fraction form
696,069.70/1,044,104.55 = 486,117.70/x - Step 3: Cross multiply
696,069.70x = 1,044,104.55 × 486,117.70 - Step 4: Simplify right side
696,069.70x = 507,557,702,405.54 - Step 5: Solve for x
x = 507,557,702,405.54/696,069.70 - Step 6: Final answer
x = 729,176.55
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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.