Finding the Fourth Proportional to 969,371.22, 1,337,689.11 and 555,611.40
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Solution
The fourth proportional to 969,371.22, 1,337,689.11 and 555,611.40 is: 766,718.99
Step by Step Solution
- Step 1: Write the proportion equation
969,371.22 : 1,337,689.11 = 555,611.40 : x - Step 2: Convert to fraction form
969,371.22/1,337,689.11 = 555,611.40/x - Step 3: Cross multiply
969,371.22x = 1,337,689.11 × 555,611.40 - Step 4: Simplify right side
969,371.22x = 743,235,319,171.85 - Step 5: Solve for x
x = 743,235,319,171.85/969,371.22 - Step 6: Final answer
x = 766,718.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.