Finding the Fourth Proportional to 887,137.07, 1,224,247.97 and 505,163.87
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Solution
The fourth proportional to 887,137.07, 1,224,247.97 and 505,163.87 is: 697,125.46
Step by Step Solution
- Step 1: Write the proportion equation
887,137.07 : 1,224,247.97 = 505,163.87 : x - Step 2: Convert to fraction form
887,137.07/1,224,247.97 = 505,163.87/x - Step 3: Cross multiply
887,137.07x = 1,224,247.97 × 505,163.87 - Step 4: Simplify right side
887,137.07x = 618,445,839,839.03 - Step 5: Solve for x
x = 618,445,839,839.03/887,137.07 - Step 6: Final answer
x = 697,125.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.