Finding the Fourth Proportional to 749,369.19, 1,124,422.80 and 349,951.98
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Solution
The fourth proportional to 749,369.19, 1,124,422.80 and 349,951.98 is: 525,100.30
Step by Step Solution
- Step 1: Write the proportion equation
749,369.19 : 1,124,422.80 = 349,951.98 : x - Step 2: Convert to fraction form
749,369.19/1,124,422.80 = 349,951.98/x - Step 3: Cross multiply
749,369.19x = 1,124,422.80 × 349,951.98 - Step 4: Simplify right side
749,369.19x = 393,493,985,217.14 - Step 5: Solve for x
x = 393,493,985,217.14/749,369.19 - Step 6: Final answer
x = 525,100.30
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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.