Finding the Fourth Proportional to 1,018,883.21, 1,528,231.10 and 344,887.47
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Solution
The fourth proportional to 1,018,883.21, 1,528,231.10 and 344,887.47 is: 517,299.48
Step by Step Solution
- Step 1: Write the proportion equation
1,018,883.21 : 1,528,231.10 = 344,887.47 : x - Step 2: Convert to fraction form
1,018,883.21/1,528,231.10 = 344,887.47/x - Step 3: Cross multiply
1,018,883.21x = 1,528,231.10 × 344,887.47 - Step 4: Simplify right side
1,018,883.21x = 527,067,756,792.10 - Step 5: Solve for x
x = 527,067,756,792.10/1,018,883.21 - Step 6: Final answer
x = 517,299.48
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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.