Finding the Fourth Proportional to 571,398.29, 788,370.10 and 450,163.31
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Solution
The fourth proportional to 571,398.29, 788,370.10 and 450,163.31 is: 621,099.68
Step by Step Solution
- Step 1: Write the proportion equation
571,398.29 : 788,370.10 = 450,163.31 : x - Step 2: Convert to fraction form
571,398.29/788,370.10 = 450,163.31/x - Step 3: Cross multiply
571,398.29x = 788,370.10 × 450,163.31 - Step 4: Simplify right side
571,398.29x = 354,895,295,620.52 - Step 5: Solve for x
x = 354,895,295,620.52/571,398.29 - Step 6: Final answer
x = 621,099.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.