Finding the Fourth Proportional to 812,082.35, 1,120,416.01 and 472,484.99
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Solution
The fourth proportional to 812,082.35, 1,120,416.01 and 472,484.99 is: 651,879.39
Step by Step Solution
- Step 1: Write the proportion equation
812,082.35 : 1,120,416.01 = 472,484.99 : x - Step 2: Convert to fraction form
812,082.35/1,120,416.01 = 472,484.99/x - Step 3: Cross multiply
812,082.35x = 1,120,416.01 × 472,484.99 - Step 4: Simplify right side
812,082.35x = 529,379,747,280.69 - Step 5: Solve for x
x = 529,379,747,280.69/812,082.35 - Step 6: Final answer
x = 651,879.39
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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.