Finding the Fourth Proportional to 686,102.99, 946,808.01 and 380,176.70
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Solution
The fourth proportional to 686,102.99, 946,808.01 and 380,176.70 is: 524,636.02
Step by Step Solution
- Step 1: Write the proportion equation
686,102.99 : 946,808.01 = 380,176.70 : x - Step 2: Convert to fraction form
686,102.99/946,808.01 = 380,176.70/x - Step 3: Cross multiply
686,102.99x = 946,808.01 × 380,176.70 - Step 4: Simplify right side
686,102.99x = 359,954,340,041.33 - Step 5: Solve for x
x = 359,954,340,041.33/686,102.99 - Step 6: Final answer
x = 524,636.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.