Finding the Fourth Proportional to 486,121.96, 728,133.18 and 474,224.68
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Solution
The fourth proportional to 486,121.96, 728,133.18 and 474,224.68 is: 710,312.95
Step by Step Solution
- Step 1: Write the proportion equation
486,121.96 : 728,133.18 = 474,224.68 : x - Step 2: Convert to fraction form
486,121.96/728,133.18 = 474,224.68/x - Step 3: Cross multiply
486,121.96x = 728,133.18 × 474,224.68 - Step 4: Simplify right side
486,121.96x = 345,298,724,282.88 - Step 5: Solve for x
x = 345,298,724,282.88/486,121.96 - Step 6: Final answer
x = 710,312.95
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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.