Finding the Fourth Proportional to 623,249.76, 860,261.12 and 368,689.44
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Solution
The fourth proportional to 623,249.76, 860,261.12 and 368,689.44 is: 508,895.81
Step by Step Solution
- Step 1: Write the proportion equation
623,249.76 : 860,261.12 = 368,689.44 : x - Step 2: Convert to fraction form
623,249.76/860,261.12 = 368,689.44/x - Step 3: Cross multiply
623,249.76x = 860,261.12 × 368,689.44 - Step 4: Simplify right side
623,249.76x = 317,169,190,586.57 - Step 5: Solve for x
x = 317,169,190,586.57/623,249.76 - Step 6: Final answer
x = 508,895.81
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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.