Finding the Fourth Proportional to 740,217.60, 1,109,548.80 and 290,764.80
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Solution
The fourth proportional to 740,217.60, 1,109,548.80 and 290,764.80 is: 435,841.75
Step by Step Solution
- Step 1: Write the proportion equation
740,217.60 : 1,109,548.80 = 290,764.80 : x - Step 2: Convert to fraction form
740,217.60/1,109,548.80 = 290,764.80/x - Step 3: Cross multiply
740,217.60x = 1,109,548.80 × 290,764.80 - Step 4: Simplify right side
740,217.60x = 322,617,734,922.24 - Step 5: Solve for x
x = 322,617,734,922.24/740,217.60 - Step 6: Final answer
x = 435,841.75
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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.