Finding the Fourth Proportional to 738,120.79, 1,104,669.98 and 453,661.35
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Solution
The fourth proportional to 738,120.79, 1,104,669.98 and 453,661.35 is: 678,948.60
Step by Step Solution
- Step 1: Write the proportion equation
738,120.79 : 1,104,669.98 = 453,661.35 : x - Step 2: Convert to fraction form
738,120.79/1,104,669.98 = 453,661.35/x - Step 3: Cross multiply
738,120.79x = 1,104,669.98 × 453,661.35 - Step 4: Simplify right side
738,120.79x = 501,146,074,431.27 - Step 5: Solve for x
x = 501,146,074,431.27/738,120.79 - Step 6: Final answer
x = 678,948.60
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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.