Finding the Fourth Proportional to 660,699.20, 991,048.80 and 585,903.80
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Solution
The fourth proportional to 660,699.20, 991,048.80 and 585,903.80 is: 878,855.70
Step by Step Solution
- Step 1: Write the proportion equation
660,699.20 : 991,048.80 = 585,903.80 : x - Step 2: Convert to fraction form
660,699.20/991,048.80 = 585,903.80/x - Step 3: Cross multiply
660,699.20x = 991,048.80 × 585,903.80 - Step 4: Simplify right side
660,699.20x = 580,659,257,905.44 - Step 5: Solve for x
x = 580,659,257,905.44/660,699.20 - Step 6: Final answer
x = 878,855.70
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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.