Finding the Fourth Proportional to 717,137.70, 1,075,363.44 and 417,703.69
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Solution
The fourth proportional to 717,137.70, 1,075,363.44 and 417,703.69 is: 626,355.69
Step by Step Solution
- Step 1: Write the proportion equation
717,137.70 : 1,075,363.44 = 417,703.69 : x - Step 2: Convert to fraction form
717,137.70/1,075,363.44 = 417,703.69/x - Step 3: Cross multiply
717,137.70x = 1,075,363.44 × 417,703.69 - Step 4: Simplify right side
717,137.70x = 449,183,276,979.09 - Step 5: Solve for x
x = 449,183,276,979.09/717,137.70 - Step 6: Final answer
x = 626,355.69
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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.