Finding the Fourth Proportional to 858,704.04, 1,288,149.48 and 318,897.00
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Solution
The fourth proportional to 858,704.04, 1,288,149.48 and 318,897.00 is: 478,380.19
Step by Step Solution
- Step 1: Write the proportion equation
858,704.04 : 1,288,149.48 = 318,897.00 : x - Step 2: Convert to fraction form
858,704.04/1,288,149.48 = 318,897.00/x - Step 3: Cross multiply
858,704.04x = 1,288,149.48 × 318,897.00 - Step 4: Simplify right side
858,704.04x = 410,786,999,893.00 - Step 5: Solve for x
x = 410,786,999,893.00/858,704.04 - Step 6: Final answer
x = 478,380.19
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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.