Finding the Fourth Proportional to 623,519.05, 860,455.91 and 337,039.14
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Solution
The fourth proportional to 623,519.05, 860,455.91 and 337,039.14 is: 465,113.82
Step by Step Solution
- Step 1: Write the proportion equation
623,519.05 : 860,455.91 = 337,039.14 : x - Step 2: Convert to fraction form
623,519.05/860,455.91 = 337,039.14/x - Step 3: Cross multiply
623,519.05x = 860,455.91 × 337,039.14 - Step 4: Simplify right side
623,519.05x = 290,007,323,983.63 - Step 5: Solve for x
x = 290,007,323,983.63/623,519.05 - Step 6: Final answer
x = 465,113.82
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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.