Finding the Fourth Proportional to 926,603.24, 1,390,803.68 and 447,168.45
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Solution
The fourth proportional to 926,603.24, 1,390,803.68 and 447,168.45 is: 671,186.44
Step by Step Solution
- Step 1: Write the proportion equation
926,603.24 : 1,390,803.68 = 447,168.45 : x - Step 2: Convert to fraction form
926,603.24/1,390,803.68 = 447,168.45/x - Step 3: Cross multiply
926,603.24x = 1,390,803.68 × 447,168.45 - Step 4: Simplify right side
926,603.24x = 621,923,523,604.05 - Step 5: Solve for x
x = 621,923,523,604.05/926,603.24 - Step 6: Final answer
x = 671,186.44
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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.