Finding the Fourth Proportional to 622,163.10, 934,228.80 and 472,572.30
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Solution
The fourth proportional to 622,163.10, 934,228.80 and 472,572.30 is: 709,605.97
Step by Step Solution
- Step 1: Write the proportion equation
622,163.10 : 934,228.80 = 472,572.30 : x - Step 2: Convert to fraction form
622,163.10/934,228.80 = 472,572.30/x - Step 3: Cross multiply
622,163.10x = 934,228.80 × 472,572.30 - Step 4: Simplify right side
622,163.10x = 441,490,652,742.24 - Step 5: Solve for x
x = 441,490,652,742.24/622,163.10 - Step 6: Final answer
x = 709,605.97
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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.