Finding the Fourth Proportional to 759,823.67, 1,139,737.64 and 310,544.62
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Solution
The fourth proportional to 759,823.67, 1,139,737.64 and 310,544.62 is: 465,817.80
Step by Step Solution
- Step 1: Write the proportion equation
759,823.67 : 1,139,737.64 = 310,544.62 : x - Step 2: Convert to fraction form
759,823.67/1,139,737.64 = 310,544.62/x - Step 3: Cross multiply
759,823.67x = 1,139,737.64 × 310,544.62 - Step 4: Simplify right side
759,823.67x = 353,939,387,911.43 - Step 5: Solve for x
x = 353,939,387,911.43/759,823.67 - Step 6: Final answer
x = 465,817.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.