Finding the Fourth Proportional to 993,113.40, 1,488,139.20 and 739,202.70
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Solution
The fourth proportional to 993,113.40, 1,488,139.20 and 739,202.70 is: 1,107,664.56
Step by Step Solution
- Step 1: Write the proportion equation
993,113.40 : 1,488,139.20 = 739,202.70 : x - Step 2: Convert to fraction form
993,113.40/1,488,139.20 = 739,202.70/x - Step 3: Cross multiply
993,113.40x = 1,488,139.20 × 739,202.70 - Step 4: Simplify right side
993,113.40x = 1,100,036,514,615.84 - Step 5: Solve for x
x = 1,100,036,514,615.84/993,113.40 - Step 6: Final answer
x = 1,107,664.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.