Finding the Fourth Proportional to 528,046.26, 728,829.87 and 313,310.94
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Solution
The fourth proportional to 528,046.26, 728,829.87 and 313,310.94 is: 432,443.88
Step by Step Solution
- Step 1: Write the proportion equation
528,046.26 : 728,829.87 = 313,310.94 : x - Step 2: Convert to fraction form
528,046.26/728,829.87 = 313,310.94/x - Step 3: Cross multiply
528,046.26x = 728,829.87 × 313,310.94 - Step 4: Simplify right side
528,046.26x = 228,350,371,669.78 - Step 5: Solve for x
x = 228,350,371,669.78/528,046.26 - Step 6: Final answer
x = 432,443.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.