Finding the Fourth Proportional to 658,352.02, 987,331.18 and 342,636.70
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Solution
The fourth proportional to 658,352.02, 987,331.18 and 342,636.70 is: 513,852.60
Step by Step Solution
- Step 1: Write the proportion equation
658,352.02 : 987,331.18 = 342,636.70 : x - Step 2: Convert to fraction form
658,352.02/987,331.18 = 342,636.70/x - Step 3: Cross multiply
658,352.02x = 987,331.18 × 342,636.70 - Step 4: Simplify right side
658,352.02x = 338,295,897,322.31 - Step 5: Solve for x
x = 338,295,897,322.31/658,352.02 - Step 6: Final answer
x = 513,852.60
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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.