Finding the Fourth Proportional to 739,253.20, 1,108,879.80 and 664,457.80
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Solution
The fourth proportional to 739,253.20, 1,108,879.80 and 664,457.80 is: 996,686.70
Step by Step Solution
- Step 1: Write the proportion equation
739,253.20 : 1,108,879.80 = 664,457.80 : x - Step 2: Convert to fraction form
739,253.20/1,108,879.80 = 664,457.80/x - Step 3: Cross multiply
739,253.20x = 1,108,879.80 × 664,457.80 - Step 4: Simplify right side
739,253.20x = 736,803,832,372.44 - Step 5: Solve for x
x = 736,803,832,372.44/739,253.20 - Step 6: Final answer
x = 996,686.70
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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.