Finding the Fourth Proportional to 623,444.13, 860,350.10 and 336,963.53
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Solution
The fourth proportional to 623,444.13, 860,350.10 and 336,963.53 is: 465,008.15
Step by Step Solution
- Step 1: Write the proportion equation
623,444.13 : 860,350.10 = 336,963.53 : x - Step 2: Convert to fraction form
623,444.13/860,350.10 = 336,963.53/x - Step 3: Cross multiply
623,444.13x = 860,350.10 × 336,963.53 - Step 4: Simplify right side
623,444.13x = 289,906,600,745.29 - Step 5: Solve for x
x = 289,906,600,745.29/623,444.13 - Step 6: Final answer
x = 465,008.15
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1.5x scale
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.