Finding the Fourth Proportional to 923,511.38, 1,385,267.06 and 249,540.95
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Solution
The fourth proportional to 923,511.38, 1,385,267.06 and 249,540.95 is: 374,311.43
Step by Step Solution
- Step 1: Write the proportion equation
923,511.38 : 1,385,267.06 = 249,540.95 : x - Step 2: Convert to fraction form
923,511.38/1,385,267.06 = 249,540.95/x - Step 3: Cross multiply
923,511.38x = 1,385,267.06 × 249,540.95 - Step 4: Simplify right side
923,511.38x = 345,680,862,243.13 - Step 5: Solve for x
x = 345,680,862,243.13/923,511.38 - Step 6: Final answer
x = 374,311.43
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1.5x scale
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.