Finding the Fourth Proportional to 623,526.08, 860,413.92 and 351,660.80
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Solution
The fourth proportional to 623,526.08, 860,413.92 and 351,660.80 is: 485,262.54
Step by Step Solution
- Step 1: Write the proportion equation
623,526.08 : 860,413.92 = 351,660.80 : x - Step 2: Convert to fraction form
623,526.08/860,413.92 = 351,660.80/x - Step 3: Cross multiply
623,526.08x = 860,413.92 × 351,660.80 - Step 4: Simplify right side
623,526.08x = 302,573,847,438.34 - Step 5: Solve for x
x = 302,573,847,438.34/623,526.08 - Step 6: Final answer
x = 485,262.54
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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.