Finding the Fourth Proportional to 623,816.10, 860,469.80 and 408,970.08
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Solution
The fourth proportional to 623,816.10, 860,469.80 and 408,970.08 is: 564,118.82
Step by Step Solution
- Step 1: Write the proportion equation
623,816.10 : 860,469.80 = 408,970.08 : x - Step 2: Convert to fraction form
623,816.10/860,469.80 = 408,970.08/x - Step 3: Cross multiply
623,816.10x = 860,469.80 × 408,970.08 - Step 4: Simplify right side
623,816.10x = 351,906,400,898.73 - Step 5: Solve for x
x = 351,906,400,898.73/623,816.10 - Step 6: Final answer
x = 564,118.82
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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.