Finding the Fourth Proportional to 647,884.02, 972,106.72 and 348,014.74
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Solution
The fourth proportional to 647,884.02, 972,106.72 and 348,014.74 is: 522,172.88
Step by Step Solution
- Step 1: Write the proportion equation
647,884.02 : 972,106.72 = 348,014.74 : x - Step 2: Convert to fraction form
647,884.02/972,106.72 = 348,014.74/x - Step 3: Cross multiply
647,884.02x = 972,106.72 × 348,014.74 - Step 4: Simplify right side
647,884.02x = 338,307,467,413.05 - Step 5: Solve for x
x = 338,307,467,413.05/647,884.02 - Step 6: Final answer
x = 522,172.88
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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.