Finding the Fourth Proportional to 579,424.20, 869,136.30 and 366,847.80
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Solution
The fourth proportional to 579,424.20, 869,136.30 and 366,847.80 is: 550,271.70
Step by Step Solution
- Step 1: Write the proportion equation
579,424.20 : 869,136.30 = 366,847.80 : x - Step 2: Convert to fraction form
579,424.20/869,136.30 = 366,847.80/x - Step 3: Cross multiply
579,424.20x = 869,136.30 × 366,847.80 - Step 4: Simplify right side
579,424.20x = 318,840,739,555.14 - Step 5: Solve for x
x = 318,840,739,555.14/579,424.20 - Step 6: Final answer
x = 550,271.70
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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.