Finding the Fourth Proportional to 486,631.20, 729,946.80 and 451,201.80
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Solution
The fourth proportional to 486,631.20, 729,946.80 and 451,201.80 is: 676,802.70
Step by Step Solution
- Step 1: Write the proportion equation
486,631.20 : 729,946.80 = 451,201.80 : x - Step 2: Convert to fraction form
486,631.20/729,946.80 = 451,201.80/x - Step 3: Cross multiply
486,631.20x = 729,946.80 × 451,201.80 - Step 4: Simplify right side
486,631.20x = 329,353,310,064.24 - Step 5: Solve for x
x = 329,353,310,064.24/486,631.20 - Step 6: Final answer
x = 676,802.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.