Finding the Fourth Proportional to 623,953.48, 860,981.74 and 352,005.49
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Solution
The fourth proportional to 623,953.48, 860,981.74 and 352,005.49 is: 485,725.79
Step by Step Solution
- Step 1: Write the proportion equation
623,953.48 : 860,981.74 = 352,005.49 : x - Step 2: Convert to fraction form
623,953.48/860,981.74 = 352,005.49/x - Step 3: Cross multiply
623,953.48x = 860,981.74 × 352,005.49 - Step 4: Simplify right side
623,953.48x = 303,070,297,509.73 - Step 5: Solve for x
x = 303,070,297,509.73/623,953.48 - Step 6: Final answer
x = 485,725.79
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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.