Finding the Fourth Proportional to 867,625.87, 1,197,315.37 and 499,967.94
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Solution
The fourth proportional to 867,625.87, 1,197,315.37 and 499,967.94 is: 689,950.96
Step by Step Solution
- Step 1: Write the proportion equation
867,625.87 : 1,197,315.37 = 499,967.94 : x - Step 2: Convert to fraction form
867,625.87/1,197,315.37 = 499,967.94/x - Step 3: Cross multiply
867,625.87x = 1,197,315.37 × 499,967.94 - Step 4: Simplify right side
867,625.87x = 598,619,299,069.24 - Step 5: Solve for x
x = 598,619,299,069.24/867,625.87 - Step 6: Final answer
x = 689,950.96
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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.