Finding the Fourth Proportional to 728,847.80, 1,092,247.70 and 579,343.80
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Solution
The fourth proportional to 728,847.80, 1,092,247.70 and 579,343.80 is: 868,201.75
Step by Step Solution
- Step 1: Write the proportion equation
728,847.80 : 1,092,247.70 = 579,343.80 : x - Step 2: Convert to fraction form
728,847.80/1,092,247.70 = 579,343.80/x - Step 3: Cross multiply
728,847.80x = 1,092,247.70 × 579,343.80 - Step 4: Simplify right side
728,847.80x = 632,786,933,059.26 - Step 5: Solve for x
x = 632,786,933,059.26/728,847.80 - Step 6: Final answer
x = 868,201.75
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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.