Finding the Fourth Proportional to 658,295.28, 908,448.12 and 371,815.92
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Solution
The fourth proportional to 658,295.28, 908,448.12 and 371,815.92 is: 513,106.33
Step by Step Solution
- Step 1: Write the proportion equation
658,295.28 : 908,448.12 = 371,815.92 : x - Step 2: Convert to fraction form
658,295.28/908,448.12 = 371,815.92/x - Step 3: Cross multiply
658,295.28x = 908,448.12 × 371,815.92 - Step 4: Simplify right side
658,295.28x = 337,775,473,510.07 - Step 5: Solve for x
x = 337,775,473,510.07/658,295.28 - Step 6: Final answer
x = 513,106.33
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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.