Finding the Fourth Proportional to 1,117,449.42, 1,675,896.42 and 318,737.84
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Solution
The fourth proportional to 1,117,449.42, 1,675,896.42 and 318,737.84 is: 478,027.55
Step by Step Solution
- Step 1: Write the proportion equation
1,117,449.42 : 1,675,896.42 = 318,737.84 : x - Step 2: Convert to fraction form
1,117,449.42/1,675,896.42 = 318,737.84/x - Step 3: Cross multiply
1,117,449.42x = 1,675,896.42 × 318,737.84 - Step 4: Simplify right side
1,117,449.42x = 534,171,604,974.53 - Step 5: Solve for x
x = 534,171,604,974.53/1,117,449.42 - Step 6: Final answer
x = 478,027.55
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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.