Finding the Fourth Proportional to 658,340.41, 908,583.66 and 371,878.95
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Solution
The fourth proportional to 658,340.41, 908,583.66 and 371,878.95 is: 513,234.69
Step by Step Solution
- Step 1: Write the proportion equation
658,340.41 : 908,583.66 = 371,878.95 : x - Step 2: Convert to fraction form
658,340.41/908,583.66 = 371,878.95/x - Step 3: Cross multiply
658,340.41x = 908,583.66 × 371,878.95 - Step 4: Simplify right side
658,340.41x = 337,883,137,467.96 - Step 5: Solve for x
x = 337,883,137,467.96/658,340.41 - Step 6: Final answer
x = 513,234.69
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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.