Finding the Fourth Proportional to 566,082.84, 781,193.16 and 311,433.42
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Solution
The fourth proportional to 566,082.84, 781,193.16 and 311,433.42 is: 429,777.48
Step by Step Solution
- Step 1: Write the proportion equation
566,082.84 : 781,193.16 = 311,433.42 : x - Step 2: Convert to fraction form
566,082.84/781,193.16 = 311,433.42/x - Step 3: Cross multiply
566,082.84x = 781,193.16 × 311,433.42 - Step 4: Simplify right side
566,082.84x = 243,289,655,942.24 - Step 5: Solve for x
x = 243,289,655,942.24/566,082.84 - Step 6: Final answer
x = 429,777.48
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1.5x scale
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.