Finding the Fourth Proportional to 849,493.08, 1,172,166.12 and 486,847.08
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Solution
The fourth proportional to 849,493.08, 1,172,166.12 and 486,847.08 is: 671,771.99
Step by Step Solution
- Step 1: Write the proportion equation
849,493.08 : 1,172,166.12 = 486,847.08 : x - Step 2: Convert to fraction form
849,493.08/1,172,166.12 = 486,847.08/x - Step 3: Cross multiply
849,493.08x = 1,172,166.12 × 486,847.08 - Step 4: Simplify right side
849,493.08x = 570,665,652,796.93 - Step 5: Solve for x
x = 570,665,652,796.93/849,493.08 - Step 6: Final answer
x = 671,771.99
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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.