Finding the Fourth Proportional to 880,105.74, 1,214,735.42 and 536,055.11
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Solution
The fourth proportional to 880,105.74, 1,214,735.42 and 536,055.11 is: 739,871.46
Step by Step Solution
- Step 1: Write the proportion equation
880,105.74 : 1,214,735.42 = 536,055.11 : x - Step 2: Convert to fraction form
880,105.74/1,214,735.42 = 536,055.11/x - Step 3: Cross multiply
880,105.74x = 1,214,735.42 × 536,055.11 - Step 4: Simplify right side
880,105.74x = 651,165,120,435.04 - Step 5: Solve for x
x = 651,165,120,435.04/880,105.74 - Step 6: Final answer
x = 739,871.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.