Finding the Fourth Proportional to 913,795.26, 1,369,673.37 and 381,139.26
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Solution
The fourth proportional to 913,795.26, 1,369,673.37 and 381,139.26 is: 571,283.65
Step by Step Solution
- Step 1: Write the proportion equation
913,795.26 : 1,369,673.37 = 381,139.26 : x - Step 2: Convert to fraction form
913,795.26/1,369,673.37 = 381,139.26/x - Step 3: Cross multiply
913,795.26x = 1,369,673.37 × 381,139.26 - Step 4: Simplify right side
913,795.26x = 522,036,294,683.51 - Step 5: Solve for x
x = 522,036,294,683.51/913,795.26 - Step 6: Final answer
x = 571,283.65
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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.