Finding the Fourth Proportional to 742,772.92, 1,025,030.81 and 436,862.19
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Solution
The fourth proportional to 742,772.92, 1,025,030.81 and 436,862.19 is: 602,872.28
Step by Step Solution
- Step 1: Write the proportion equation
742,772.92 : 1,025,030.81 = 436,862.19 : x - Step 2: Convert to fraction form
742,772.92/1,025,030.81 = 436,862.19/x - Step 3: Cross multiply
742,772.92x = 1,025,030.81 × 436,862.19 - Step 4: Simplify right side
742,772.92x = 447,797,205,566.23 - Step 5: Solve for x
x = 447,797,205,566.23/742,772.92 - Step 6: Final answer
x = 602,872.28
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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.