Finding the Fourth Proportional to 872,021.08, 1,307,469.30 and 416,365.84
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Solution
The fourth proportional to 872,021.08, 1,307,469.30 and 416,365.84 is: 624,280.27
Step by Step Solution
- Step 1: Write the proportion equation
872,021.08 : 1,307,469.30 = 416,365.84 : x - Step 2: Convert to fraction form
872,021.08/1,307,469.30 = 416,365.84/x - Step 3: Cross multiply
872,021.08x = 1,307,469.30 × 416,365.84 - Step 4: Simplify right side
872,021.08x = 544,385,553,368.71 - Step 5: Solve for x
x = 544,385,553,368.71/872,021.08 - Step 6: Final answer
x = 624,280.27
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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.