Finding the Fourth Proportional to 972,450.77, 1,457,495.09 and 688,224.37
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Solution
The fourth proportional to 972,450.77, 1,457,495.09 and 688,224.37 is: 1,031,500.70
Step by Step Solution
- Step 1: Write the proportion equation
972,450.77 : 1,457,495.09 = 688,224.37 : x - Step 2: Convert to fraction form
972,450.77/1,457,495.09 = 688,224.37/x - Step 3: Cross multiply
972,450.77x = 1,457,495.09 × 688,224.37 - Step 4: Simplify right side
972,450.77x = 1,003,083,644,356.96 - Step 5: Solve for x
x = 1,003,083,644,356.96/972,450.77 - Step 6: Final answer
x = 1,031,500.70
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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.