Finding the Fourth Proportional to 858,265.68, 1,288,245.99 and 644,289.60
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Solution
The fourth proportional to 858,265.68, 1,288,245.99 and 644,289.60 is: 967,070.59
Step by Step Solution
- Step 1: Write the proportion equation
858,265.68 : 1,288,245.99 = 644,289.60 : x - Step 2: Convert to fraction form
858,265.68/1,288,245.99 = 644,289.60/x - Step 3: Cross multiply
858,265.68x = 1,288,245.99 × 644,289.60 - Step 4: Simplify right side
858,265.68x = 830,003,493,598.70 - Step 5: Solve for x
x = 830,003,493,598.70/858,265.68 - Step 6: Final answer
x = 967,070.59
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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.