Finding the Fourth Proportional to 1,498,438.70, 2,247,658.05 and 487,655.90
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Solution
The fourth proportional to 1,498,438.70, 2,247,658.05 and 487,655.90 is: 731,483.85
Step by Step Solution
- Step 1: Write the proportion equation
1,498,438.70 : 2,247,658.05 = 487,655.90 : x - Step 2: Convert to fraction form
1,498,438.70/2,247,658.05 = 487,655.90/x - Step 3: Cross multiply
1,498,438.70x = 2,247,658.05 × 487,655.90 - Step 4: Simplify right side
1,498,438.70x = 1,096,083,709,265.00 - Step 5: Solve for x
x = 1,096,083,709,265.00/1,498,438.70 - Step 6: Final answer
x = 731,483.85
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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.