Finding the Fourth Proportional to 977,369.49, 1,348,778.84 and 541,791.53
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Solution
The fourth proportional to 977,369.49, 1,348,778.84 and 541,791.53 is: 747,677.27
Step by Step Solution
- Step 1: Write the proportion equation
977,369.49 : 1,348,778.84 = 541,791.53 : x - Step 2: Convert to fraction form
977,369.49/1,348,778.84 = 541,791.53/x - Step 3: Cross multiply
977,369.49x = 1,348,778.84 × 541,791.53 - Step 4: Simplify right side
977,369.49x = 730,756,952,018.22 - Step 5: Solve for x
x = 730,756,952,018.22/977,369.49 - Step 6: Final answer
x = 747,677.27
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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.