Finding the Fourth Proportional to 486,083.80, 729,125.70 and 367,985.80
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Solution
The fourth proportional to 486,083.80, 729,125.70 and 367,985.80 is: 551,978.70
Step by Step Solution
- Step 1: Write the proportion equation
486,083.80 : 729,125.70 = 367,985.80 : x - Step 2: Convert to fraction form
486,083.80/729,125.70 = 367,985.80/x - Step 3: Cross multiply
486,083.80x = 729,125.70 × 367,985.80 - Step 4: Simplify right side
486,083.80x = 268,307,904,015.06 - Step 5: Solve for x
x = 268,307,904,015.06/486,083.80 - Step 6: Final answer
x = 551,978.70
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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.