Finding the Fourth Proportional to 1,377,362.97, 2,064,861.18 and 478,687.95
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Solution
The fourth proportional to 1,377,362.97, 2,064,861.18 and 478,687.95 is: 717,620.69
Step by Step Solution
- Step 1: Write the proportion equation
1,377,362.97 : 2,064,861.18 = 478,687.95 : x - Step 2: Convert to fraction form
1,377,362.97/2,064,861.18 = 478,687.95/x - Step 3: Cross multiply
1,377,362.97x = 2,064,861.18 × 478,687.95 - Step 4: Simplify right side
1,377,362.97x = 988,424,165,288.78 - Step 5: Solve for x
x = 988,424,165,288.78/1,377,362.97 - Step 6: Final answer
x = 717,620.69
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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.