Finding the Fourth Proportional to 948,578.34, 1,423,428.12 and 349,959.99
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Solution
The fourth proportional to 948,578.34, 1,423,428.12 and 349,959.99 is: 525,146.81
Step by Step Solution
- Step 1: Write the proportion equation
948,578.34 : 1,423,428.12 = 349,959.99 : x - Step 2: Convert to fraction form
948,578.34/1,423,428.12 = 349,959.99/x - Step 3: Cross multiply
948,578.34x = 1,423,428.12 × 349,959.99 - Step 4: Simplify right side
948,578.34x = 498,142,890,640.92 - Step 5: Solve for x
x = 498,142,890,640.92/948,578.34 - Step 6: Final answer
x = 525,146.81
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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.