Finding the Fourth Proportional to 853,587.41, 1,177,997.87 and 471,605.99
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Solution
The fourth proportional to 853,587.41, 1,177,997.87 and 471,605.99 is: 650,842.37
Step by Step Solution
- Step 1: Write the proportion equation
853,587.41 : 1,177,997.87 = 471,605.99 : x - Step 2: Convert to fraction form
853,587.41/1,177,997.87 = 471,605.99/x - Step 3: Cross multiply
853,587.41x = 1,177,997.87 × 471,605.99 - Step 4: Simplify right side
853,587.41x = 555,550,849,341.21 - Step 5: Solve for x
x = 555,550,849,341.21/853,587.41 - Step 6: Final answer
x = 650,842.37
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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.